Display codes
6720814332 (2018/04)
48
F 0
2 7 8
3
The sensor test has failed.
▶ Check the cabling and plug of the sensors.
▶ Check the operating characteristics of the sensors. Replace the
faulty component if necessary.
F 0
2 7 9
The burner control unit or the KIM is faulty.
▶ Check the plug and wiring of the burner control unit.
▶ Check the operating characteristics of the boiler by replacing the
burner control unit.
F 0
2 8 0
3
The burner control unit is faulty.
F 0
2 8 7
The burner control unit or the KIM is faulty.
F 0
2 9 0
2
The burner control unit or the KIM is faulty.
F 7
2 2 8
3
An ionisation current was measured before the
burner started.
▶ Check the plug of the ionisation pin for damage and wear.
▶ Check the ignition device for damage and wear. Replace the faulty
component, with gaskets, if necessary.
F 7
3 2 8
2
A brief power failure has occurred.
▶ Check whether the fault may have been caused by the presence of a
power unit, a wind turbine or other equipment that could cause an
interruption.
▶ Check the electrical installation.
F A
3 0 6
3
An ionisation current was measured after the
burner went out.
▶ Inspect the ionising part of the ignition device. Replace the faulty
component if necessary.
▶ Check whether the gas/air ratio upstream and downstream of the
burner phase remains the same.
▶ Check whether voltage is present at the gas valve once the burner
phase has expired.
▶ Check the operating characteristics of the boiler by replacing the
burner control unit.
F d
2 3 1
3
The mains voltage was interrupted during an
interlocking fault.
▶ Reset the boiler.
E C
2 5 6
3
The burner control unit or the KIM is faulty.
▶ Check plug and wiring of the burner control unit.
▶ Check the operating characteristics of the boiler by replacing the
burner control unit.
E H
2 5 8
H 0 7
The current water pressure is too low. This limits
the performance in heating mode as well as DHW
mode.
▶ Vent the heating system and the boiler.
▶ Refill the heating system.
H r E
The boiler is reset.
r E
The boiler is reset.
Code
Code
type Designation
Remedy
Table 19 Operating and fault codes
Summary of Contents for Worcester GB162-100 V2
Page 49: ...6720814332 2018 04 49 Notes ...
