Vitodens 200 Boiler Error Codes
Listed below are some Error Codes that could appear on the Viessmann Vitodens 200 gas boiler.
Table Of Contents
- Vitodens 200 Boiler Error Codes
- Listed below are some Error Codes that could appear on the Viessmann Vitodens 200 gas boiler.
- Fault Code 0B
- Fault Code 0C
- Fault Code 0F
- Fault Code 10
- Fault Code 10, 14, F3, and F4
- Fault Code 18 and D1
- Fault Code 19
- Fault Code 20
- Fault Code 21
- Fault Code 28
- Fault Code 29, 41, 49, F80, F81, F83, F88 and F89
- Fault Code 30
- Fault Code 38
- Fault Code 40 And 44
- Fault Code 41
- Fault Code 48 and 4C
- Fault Code 50, 51, 58 and 59
- Fault Code 52
- Fault Code 55, 56 and 57
- Fault Code 5A, B7, and B8
- Fault Code 5C, 5D, 5E and 5F
- Fault Code 60, 68, 70, 78, BD, BE and BF
- Fault Code 80, 81, 82, 83 and FD
- Fault Code 88, 89, and E6
- Fault Code 8C, 8D, 8E and 8F
- Fault Code 90, 91, 92, 93, 94, 98, 99, 9A, 9B , 9C, 9E, 9F and AB
- Fault Code A3, B0, F1, FE1 and FE2
- Fault Code A4
- Fault Code A7
- Fault Code A8
- Fault Code A9, BA, BB, BC and FE0
- Fault Code AD
- Fault Code B1
- Fault Code B2
- Fault Code B3 and E5
- Fault Code B4
- Fault Code B5
- Fault Code B6
- Fault Code B9, ED, F0, FE5, FEC, FED, FEE, FEF, FFD and FFF
- Fault Code C1
- Fault Code C2-C8, CD-CF, D2-D8, DA-DF, and E0
- Fault Code C9, CA and CB
- Fault Code CC and F0
- Fault Code D4
- Fault Code D5
- Fault Code E1, E7, E8, E9, EA, EB, EC and FF2
- Fault Code E2 and E3
- Fault Code E4
- Fault Code EE and EF
- Fault Code F5
- Fault Code F6, 58, F9, FE1, FE2 and FF6
- Fault Code FA and FB
- Fault Code FC
- Fault Code FE
- Fault Code FE4
- Fault Code FFA, FFB and FR
| Fault Code | System Behaviour | Cause of Problem |
|---|---|---|
| 02 | Burner control switches to lockout | Safety chain was activated |
| 04, 05, 06, 08 | Burner control switches to lockout | Fan speed too high/low at start |
| 07, 09 | Burner control switches to lockout | Basic level of air pressure threshold in standby mode not correct |
| 0A | Burner control switches to lockout | Fault, fan speed |
| 0D | Burner control switches to lockout | Reset button pressed repeatedly or while burner is running |
| 1A, 1B | Burner blocked | Flow sensor 1, 2 Faulty |
| 1F | Burner blocked | Differential flow rate too large |
| 25 | Boiler operates with high boiler water temperature | Emissions test switch turned to “hand symbol” for 30 minutes already |
| 26 | Boiler operates with continuous relay test | Setting mode for maximum or minimum rated input active for 30 minutes already |
| 35 | Boiler does not activate | Reset button (pressed while burner is OFF) with Emissions test switch turned to “hand symbol” |
| A2 | N/A | KM-BUS fault to Vitocom |
| A5 | N/A | Short circuit / open circuit |
Fault Code 0B
Error Code 0B on a Viessmann boiler.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitodens 200 | Burner control switches to lockout. Fan does not idle after auto reset (incorrect fan rpm). | Severe wind conditions in vent system |
| Vitodens 100-W | Burner blocked | Insufficient water flow. Incorrect flow direction. Defective flow switch. |
Fault Code 0C
Error Code 0C.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitodens 100-W | Burner blocked | Insufficient power supply |
| Vitodens 200 | Burner control switches to lockout | Flame signal still present after switching off |
Fault Code 0F
Error Code 0F.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitodens 222-F | Control mode | Code “0F” is only displayed in the fault history |
| Vitotronic 300 / Vitotronic 300-K, with Vitotronic 300 / Vitodens 200-W / Vitocontrol-S, with Vitotronic 100 | Control mode / Controlled operation | Service required. “0F” is only displayed in the fault history. |
| Vitotronic 200 / 300 | Normal operation | Service required |
| Vitocontrol-S, MW1 with Vitotronic 100 / Vitotronic 300-K, MW1S with Vitotronic 100 | Control mode | Maintenance “0F” is only displayed in the fault history |
Fault Code 10
Error Code 10.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitodens 200-W / 222-F / Vitotronic 300 / 200/ 200-H / 050/200-H / 300-K / vitocontrol-S | Boiler operates based on outdoor temperature of 32°F / 0°C | Short circuit – Outdoor temperature sensor |
| Vitotronic 300-K, MW2S with Vitotronic 100 / Vitodens 100-W (combiPLUS) / 200-w / Vitocontrol-S, WB2B with Vitotronic 100 | Controls as if the outdoor temperature / Constant Mode | Outdoor temperature sensor shorted out |
Fault Code 10, 14, F3, and F4
Error Code 10, 14, F3, and F4.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitodens 200 | Burner control switches to lockout | No flame signal is present |
Fault Code 18 and D1
Error Code 18 and D1.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitodens 100 / 200-W / 222-F / Vitotronic 300-K With 100 / Vitocontrol-S | Boiler operates based on outdoor temperature of 32°F / 0°C / Constant Mode | Outdoor temperature sensor cable broken |
| Vitotronic / 100 / 200 / 300 / 050/200-H /300-K / Vitocontrol-S, MW1 with Vitotronic 100 | Operates on basis of 32°F / 0°C outdoor temperature | Open circuit – Outdoor temperature sensor |
| Vitotronic 200-H / Vitotronic 300-K, MW1B with Vitotronic 300 / Vitotronic 300-K, MW2B with Vitotronic 200 | Controls as if the outdoor temperature | Lead break, Outdoor temperature sensor |
| Vitotronic 050/200-H | Activates after 0°C / 32°F outdoor temperature | Cable break – Outdoor temperature sensor |
| Vitodens 100-W | Burner in fault mode | DIP switch S2 is set to “ON” |
Fault Code 19
Error Code 19.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitotronic 300 | Activates after 0°C / 32°F outdoor temperature | Communication fault, Wireless Outdoor temperature sensor |
Fault Code 20
Error Code 20.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitocontrol-S with Vitotronic 100 / Vitotronic 300 / 300-K / 200 / 100 | Stand-alone control unit without supply temperature sensor (possibly supply temperature not high enough) | short circuit – Common supply temperature sensor |
| Vitocontrol-S with Vitotronic 100 / Vitotronic 300-K, with Vitotronic 200 | Vitocontrol-S, controls in a stand-alone manner w/o supply temperature sensor (supply temperature may not be high enough) | Common supply temperature sensor shorted out |
| Vitocrossal 300 | Regulates without supply temperature sensor (low-loss header) | Short circuit – System Flow temperature sensor |
| Vitodens 200-W / 222-F | Regulates without supply temperature sensor (low-loss header) | Short circuit – System supply temperature sensor |
| Vitotronic 050/200-H< / 200 / 200-H / 300 | Mixing valve closes/ closed | Short circuit – Supply temperature sensor / mixing valve circuit M1 |
| Vitotronic 300-K, with Vitotronic 100 | Vitotronic 300-K, MW1S controls in a stand-alone manner w/o strap-on sensor (supply temperature may not be high enough) | Short circuit – Strap-on temperature sensor |
| Vitodens 200-W | Regulates without supply temperature sensor (low-loss header) | System supply temperature sensor shorted out |
Fault Code 21
Error Code 21.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitotronic 200 / 300 | operation without influence of return water temperature | Short circuit – Return water temperature sensor |
Fault Code 28
Error Code 28.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitocontrol-S with Vitotronic 100 | Vitocontrol-S, VD2/CT3/CM2 controls in a stand-alone manner w/o supply temperature sensor (supply temperature may not be high enough) | Open circuit – Common supply temperature sensor |
| Vitocontrol-S with Vitotronic 100 / Vitotronic 300-K,with Vitotronic 100 | Vitocontrol-S, WB2B controls in a stand-alone manner w/o supply temperature sensor (supply temperature may not be high enough) | Common supply temperature sensor cable broken |
| Vitocrossal 300 / Vitodens 200-W / 22-F | Regulates without supply temperature sensor (low-loss header) | System supply temperature sensor cable broken |
| Vitotronic 050/200-H | Mixing valve closes | Cable break – Supply temperature sensor |
| Vitotronic 050/200-H | Mixing valve is closed | Open circuit – Supply temperature sensor of mixing valve circuit M1 |
| Vitotronic 200-H / Vitotronic 200 / 300 | Mixing valve is being closed | Lead break, Supply temperature sensor, heating circuit with mixing valve M1 (heating circuit 1) |
| Vitotronic 300 Vitotronic / 300-K with Vitotronic 300 / 200 | Stand-alone control unit without supply temperature sensor (possibly supply temperature not high enough) | Lead break, Common supply temperature sensor |
| Vitotronic 300-K with Vitotronic 100 | Vitotronic 300-K, MW1S controls in a stand-alone manner w/o strap-on sensor (supply temperature may not be high enough) | Open circuit – Strap-on temperature sensor |
Fault Code 29, 41, 49, F80, F81, F83, F88 and F89
Error Code 29, 41, 49, F80, F81, F83, F88 and F89.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitotronic 200 / 300 | Normal operation without influence of return water temperature | Open circuit 1 or 2 – Return water temperature sensor (of mixing valve circuit 1) |
Fault Code 30
Error Code 30.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitocontrol-S, with Vitotronic 100 / Vitocrossal 300 / Vitodens 200-W / 222-F / Vitotronic 100 / 200 / 300 | Burner is started and stopped via an adjustable high limit | Short circuit – Boiler water temperature sensor |
| Vitocontrol-S with Vitotronic 100 / Vitodens 100-W (CombiPLUS)/ 200-1 | Burner blocked | Boiler water temperature sensor shorted out |
Fault Code 38
Error Code 38.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitodens – 200-W / 222-F / COMBIPLUS | Burner blocked | Boiler water temperature sensor cable broken |
| Vitotronic 100 / 200 / 300 / Vitocontrol-S with Vitotronic 100 | Burner is switched on and off by the adjustable high limit | Open circuit – Boiler temperature sensor |
| Vitotronic 300-K with Vitotronic 300 / Vitotronic 300-K with Vitotronic 300 | The burner is started and stopped via a temperature controller | Lead break, Boiler water temperature sensor |
| Vitodens 100-W | Burner blocked | Boiler water temperature sensor lead broken |
Fault Code 40 And 44
Error Code 40 and 44.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Mixing valve closes | Heating circuit 2 with mixing valve supply short circuit on temperature sensor |
Fault Code 41
Error Code 41.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitotronic 300 | Operation without accounting for return water temperature | Short circuit – Return water temperature sensor of mixing valve circuit 2 |
Fault Code 48 and 4C
Error Code 48 and 4C.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Mixing valve closes / Closed | Heating circuit 2 with mixing valve supply temperature sensor cable broken / open circuit |
Fault Code 50, 51, 58 and 59
Error Code 50, 51, 58 and 59.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitodens 200-W / 222-F | No DHW heating/ Fault with DHW | Short circuit/open circuit – DHW tank temperature sensor or lead break |
Fault Code 52
Error Code 50 and 51.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitotronic 300 | Control mode | Short circuit – Supply temperature sensor low-loss header |
| Vitodens 100-W CombiPLUS | Burner blocked (with CombiPLUS only) | Flow sensor shorted out (in CombiPLUS) |
Fault Code 55, 56 and 57
Error Code 55, 56 and 57.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitotronic 300-K, with Vitotronic 200 | Control mode | Maintenance or error on Vitotronic 100 of boiler 5-8 |
Fault Code 5A, B7, and B8
Error Code 5A, B7, and B8.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Control mode | Lead break, low-loss header Supply temperature sensor |
| All Viessmann boilers | Burner blocked / control mode | sensor cable broken |
Fault Code 5C, 5D, 5E and 5F
Error Code 5C, 5D, 5E and 5F.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitotronic 300-K with Vitotronic 200 | Control mode | Communication fault, Vitotronic 100 of boiler 5-8 |
Fault Code 60, 68, 70, 78, BD, BE and BF
Error Code 60, 68, 70, 78, BD, BE and BF.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | – No output reduction | |
| – Return control Open | ||
| – Boiler with maximum temperature | Short/open circuit – Temperature sensor [17A] |
Fault Code 80, 81, 82, 83 and FD
Error Code 80, 81, 82, 83 and FD.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Burner control unit in a fault state; system cools down; burner control unit locked out | Short circuit – Boiler water temperature sensor, burner control unit |
Fault Code 88, 89, and E6
Error Code 88, 89, and E6.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitotronic 300 | Burner control unit in a fault state | Lead break, Boiler water temperature sensor, burner control unit |
Fault Code 8C, 8D, 8E and 8F
Error Code 8C, 8D, 8E and 8F.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitocontrol-S with Vitotronic 100 / Vitotronic 300-K with Vitotronic 100 / 200 | Control mode | Communication fault, Vitotronic 100 of boiler 1-4 |
Fault Code 90, 91, 92, 93, 94, 98, 99, 9A, 9B , 9C, 9E, 9F and AB
Error Code 90, 91, 92, 93, 94, 98, 99, 9A, 9B , 9C 9E, 9F and AB.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Control mode | Short circuit – Temperature sensor [5] / [6] / [7] / [10] |
Fault Code A3, B0, F1, FE1 and FE2
Error Code A3, B0, F1, FE1 and FE2.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Burner blocked | Flue gas temperature sensor not properly positioned / Check Sensor |
Fault Code A4
Error Code A4.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitodens 200 | Pump runs at maximum speed | Open circuit – BUS connection with variable speed heating circuit pump |
Fault Code A7
Error Code A7.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitocrossal 300 / Vitodens 200-W / 222-F / 300 | Control mode (stays in factory default setting) | Faulty Programming unit |
Fault Code A8
Error Code A8.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitodens 222-F | Burner blocked. The venting program is started automatically | Air lock in the Internal circulation pump or minimum flow rate not achieved |
Fault Code A9, BA, BB, BC and FE0
Error Code A9, BA, BB, BC and FE0.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Control Mode | Communication error |
Fault Code AD
Error Code AD.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitocontrol-S with Vitotronic 100 / Vitotronic 100 / Vitotronic 300-K with Vitotronic 300 | Control mode | Isolation valve configuration error: Coding OC:2, OC:3 or OC:4 set, and coding 4E:1 not set |
Fault Code B1
Error Code B1.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Control mode | Communication error, Programming unit |
Fault Code B2
Error Code B1.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitodens 200 | Boiler cools down | Sensor inputs are not read correctly |
Fault Code B3 and E5
Error Code B3 and E5.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitodens 200 | Setting via service level not possible | Data points are not stored; internal fault VR20 |
Fault Code B4
Error Code B4.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitocontrol-S with Vitotronic 100 / Vitotronic 100 / 200 / 300 / Vitotronic 300-K with Vitotronic 100 | Emissions test mode | Internal electronics fault |
| Vitocontrol-S with Vitotronic 100 / Vitodens 200-W | Regulates as if the outside temperature was 32°F (0°C) | Internal fault |
| Vitotronic 050/200-H | Undefined control characteristics | Internal electronics fault |
Fault Code B5
Error Code B5.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Control mode | Internal electronics fault |
Fault Code B6
Error Code B6.
td>All Viessmann boilers
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Constant mode | Invalid hardware recognised |
Fault Code B9, ED, F0, FE5, FEC, FED, FEE, FEF, FFD and FFF
Error Code B9, ED, F0, FE5, FEC, FED, FEE, FEF, FFD and FFF.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Normal operation / fault around burner control unit | Internal fault |
Fault Code C1
Error Code C1.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Control Mode | External safety equipment |
Fault Code C2-C8, CD-CF, D2-D8, DA-DF, and E0
Error Codes C2, C3, C4, C5, C6, C7, C8, CD, CE, CF, D2, D3, D6, D7, D8, DA, DB, DC, DD, DE, DF and E0.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Control mode | Open circuit – KM BUS to solar control unit / Extension AM1 / DE1-DE3 M1 / communication fault |
Fault Code C9, CA and CB
Error Code C9, CA and CB.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitocontrol-S with Vitotronic 100 / Vitotronic 100 / 300 / Vitotronic 300-K with Vitotronic 300 | Boiler cools down | Error: Maximum pressure limiter 1 2 |
Fault Code CC and F0
Error Code CC and F0.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitodens 200 | Burner control unit switches to lockout (due to large line voltage fluctuations) | Differential air pressure sensor / open circuit |
Fault Code D4
Error Code D4.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Boiler cools down | Fixed high limit has responded or fuse F2 has blown. |
Fault Code D5
Error Code D5.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Boiler drives up to electronic maximum limit | Boiler does not log in at the cascade control unit |
Fault Code E1, E7, E8, E9, EA, EB, EC and FF2
Error Code E1, E7, E8, E9, EA, EB, EC and FF2.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Burner in fault mode | Ionization current too high during calibration |
Fault Code E2 and E3
Error Code E2 and E3.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitodens 200-W / 222-F / Vitotronic 300 | Burner in fault mode | Heating water flow rate too low during calibration; flow switch caused shutdown |
Fault Code E4
Error Code E4.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Burner blocked | Fault, supply voltage 24V |
Fault Code EE and EF
Error Code EE and EF.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitocontrol-S with Vitotronic 100 / Vitocrossal 300 / Vitodens 200-W / 222-F / Vitotronic 300 | Burner in fault mode | At burner start, flame signal is missing or too weak |
Fault Code F5
Error Code F5.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitodens 100-W / 200 / 300 / Vitotronic 300 | Burner blocked | Faulty Air pressure switch |
Fault Code F6, 58, F9, FE1, FE2 and FF6
Error Code F6, 58, F9, FE1, FE2 and FF6.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Gas pressure switch shows no gas pressure / Electrical connection fault | Gas shut-off valve closed; gas pressure switch faulty; multiple problems with gas supply |
Fault Code FA and FB
Error Code FA and FB.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Burner in fault mode / Emergency operation | Fan not at standstill / plug-in connection |
Fault Code FC
Error Code FC.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Burner in fault mode | Gas valve faulty or faulty modulation valve control; or vent system blocked |
Fault Code FE
Error Code FE.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| All Viessmann boilers | Burner blocked or in fault mode | Strong interference (EMC) field nearby, or Faulty main PCB |
Fault Code FE4
Error Code FE4.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitocrossal 200 | Burner shuts down | Multiple detection of undervoltage |
Fault Code FFA, FFB and FR
Error Code FFA, FFB and FR.
| Boiler Model | System Behaviour | Cause of Problem |
|---|---|---|
| Vitocrossal 200 / 400-620 / 186-311 | Fan runs without demand; Burner control unit in a fault state | Fan has not stopped; cable [100A] faulty; fan faulty; burner control unit faulty |