3
Failures / Errors
GB012 - 25K
20
3C
is flashing.
Target fan speed can not reached or blockage problem.
Control Step
Action
1.
Is the flue gas pipe blocked ?
no:
-->2.
yes:
B
Switch off the appliance.
B
Clean the flue gas pipe.
B
Switch on the appliance.
3C failure still exist? -->2.
2.
Check the power voltage supply.
Is voltage below 160 V AC ?
yes:
B
Switch off the appliance.
B
Inform related persons/company.
B
Switch on the appliance.
3C failure still exist? -->3.
no:
-->3.
3.
Check the fan it self. Is there any
blockage or others problems?
no:
-->4.
yes :
B
Switch off the appliance.
B
Change the fan.
B
Switch on the appliance.
3C failure still exist? -->4.
4.
Electronic card is defect.
B
Switch off the appliance.
B
Cut mains supply.
B
Change the electronic card.
B
Connect to main supply.
B
Switch on the appliance.
