Wolf CGS-2-14/120L Installation Instructions Manual page 93

Fault Fault
code
52 Max. cylinder heating
time
53 IO control deviation
54 GLV actuators
55 GLV system error
3064816_201804
40. Troubleshooting
Possible causes
Cylinder heating takes longer than
permitted.
Gas valve faulty
Gas supply pressure outside set range
Ionisation electrode corroded/bent
Current controller on GBC-e faulty
Gas valve power supply faulty
Burner earthing faulty
Flue gas recirculation
Incorrect gas type setting
Incorrect gas restrictor
Gas valve faulty
Fan faulty
Internal plausibility check of GBC-e
failed.
Remedy
Check DHW sensor (cylinder sensor) and
sensor lead.
Check cylinder increase HG25 parameter.
Press reset button.
Check primary pump.
Gas valve:
- Check cables, plugs, power supply and
switching.
Gas pressure:
- Check gas supply pressure (flow pressure);
if OK:
Ionisation electrode:
- Check the condition of the electrode; clean
or replace if necessary.
- Adjust gap and position or replace if neces-
sary.
Press reset button.
Set HG43 IO default value and HG44 KL
offset to factory setting (must be done by
contractor).
Flue gas recirculation:
- Check flue path inside and outside the
appliance (leaking, blocked).
- Check wind effect.
Gas type setting
- Check gas type setting on the gas valve
and the AM/BM-2.
Gas restrictor:
- Remove the gas valve retainer.
- Check that the correct gas restrictor is
fitted.
CGB-2-20/24: blue
CGB-2-14: black
Gas valve:
- Check cables, plugs, power supply and
switching; if valves are faulty, replace as
necessary.
Fan:
- Check for bearing damage.
- Check cables, plug-in connections, power
supply and switching.
- Replace fan if faulty.
System error:
- Check for a strong electromagnetic field
nearby.
- Switch power ON/OFF; reset if necessary.
Press reset button.
93