FAULT FINDING AND DIAGNOSIS
Greenstar Ri Compact 6 720 646 610 (2013/12)48
7.1.1 GROUP 1 FAULT CODES
Fig. 105 Group 1 flash sequences
Flash
sequence
Type of fault Fault Possible solutions/check
Light OFF No fault No boiler demand - boiler is OK
Light ON Heating demand on boiler- boiler is OK
Group 1
Flashing codes
1LockingNo ionisation detection after ignition Failure of four ignition attempts, the boiler waits 30
seconds before another attempt is made.
Reset the boiler by turning the control knob anti-
clockwise to the reset position.
2LockingLoss of ionisation signal during operation An established flame has been extinguished.
Reset the boiler by turning the control knob anti-
clockwise to the reset position.
3LockingGas valve error Gas valve coil disconnected. Check gas valve.
Reset the boiler by turning the control knob anti-
clockwise to the reset position.
4LockingFirst safety timing error/ignition timing error The flame was not established during the first four
seconds of the ignition period.
Reset the boiler by turning the control knob anti-
clockwise to the reset position.
5LockingIonisation detected after burner stopped
Gas valve EV2 leak test failed
Gas valve EV1 leak test failed
Ionisation current detected before burner-start
Gas valve error
Ionisation sensor shorted
Gas valve leaking.
False flame detected.
Reset the boiler by turning the control knob anti-
clockwise to the reset position.
6720646610-66.2Wo
Fault code group 1
1 to 5 flashes
5 seconds off
5 seconds off
5 seconds off
5 seconds off
5 seconds off 5 seconds off
5 seconds off
5 seconds off
5 seconds off
5 seconds off
1
2
3
4
5
To Next Page
Loading...
