7
Action in the Case of Faults
- Unit does not start
- Unit switches off during operation (fault-indicating lamp in
automatic burner is lit up)
- Fan runs, but gas supply is blocked or there is no ignition
- Gas supply is interrupted or flame goes out
- Unit consumes too much combustible
- Unit cannot be switched off
- Heating capacity is reduced with continuous operation
- Heating capacity cannot be regulated
1 – 2 – 3 – 4 – 5 – 7 – 10 – 13 – 17 – 18
2 – 6 – 7 – 8 – 9 – 10 – 13 – 14 – 17
7 – 12 – 13 – 14
6 – 7 – 8 – 9 – 10 – 13 – 14 – 17 – 18
13
5 – 15
14
11
Cause: Faults:
Cause: Remedy:
1. Unit has no electrical connection – Insert plug into appropriate socket (230V/1-50Hz)
2.
Fan motor is overloaded
(air supply fan runs irregularly or is blocked)
– Control motor, fan wing and carrier coupling and replace,
when necessary
3. Value set on room thermostat is too low – Set value must be higher than that of actual room temperature
4. No bridge plug in the room thermostat socket – Connect bridge plug with the thermostat socket
5. Faulty operating switch
– Cut off gas supply, remove plug from mains socket and replace
operating switch
6. No polarity – Turn mains plug by 180° (check polarity)
7. No gas pressure on solenoid valve
– Control whether gas is supplied to the unit
– Control contents of gas bottles
– Check whether gas hose is damaged
– Unlock or replace hose security device (protection against breaka-
ge)
8. Ionisation and/or initiating electrode incorrectly set
– Set according to instructions; check porcelain insulation of electro-
des
9. Suction protective lattice of air supply fan is dirty – Clean suction protective lattice
10.
- switching-off by safety temperature limiter (STB)
- Mains plug disconnected from mains supply before the
post-cooling time has lapsed (only PGT 100)
– Control suction and exhaust protective lattice (clean, when neces-
sary)
– Control whether there is sufficient fresh air supply
– Unlock STB (STB – Reset)
11. Gas regulation faulty or dirty – Replace or clean gas regulation
12. Ignition does not work
– Operating switch into “I” position (heating operation)
– Check whether ignition cable is damaged
– Check electrode setting, check cycle igniter
13.
Pressure regulator is either faulty or a wrong pressure regulator
has been installed, or the hose break protection (SBS) has lok-
ked
– Install original pressure controller
– Unlock or replace hose security device (protection against breaka-
ge)
14.
Gas bottle is iced due to low temperatures and high consumed
gas rate
– Replace gas bottle and connect 2 or 3 bottles with the multi-bottle
set, EDP no. 1014050
15. Solenoid valve does not close
– Cut off gas supply
– Let flame burn out
– Put operating switch into “0” position and remove mains plug from
mains socket
– Replace solenoid valve
16. Untight gas connection – Detect leakage by means of foaming agents and eliminate it
17. Fault-indicating lamp in the automatic burner relay is lit up – Unlock automatic burner relay by pressing the fault button
18. Faulty automatic burner relay – Replace faulty automatic burner relay
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