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Operating- and Installation Instructions Hans Wilms GmbH & Co. KG
Operating- and Installation Instructions Hans Wilms GmbH & Co. KG
Gas Heaters Model Series GH 40 TH / GH 55 TH / GH 75 TH / GH 105 TH
Operating- and Installation Instructions Hans Wilms GmbH & Co. KG
Gas Heaters Model Series GH 40 TH / GH 55 TH / GH 75 TH / GH 105 TH
Gas Heaters Model Series GH 40 TH / GH 55 TH / GH 75 TH / GH 105 TH
Fault:
Fault:
Fault:
Heater does not start
Heater does not start
Heater does not start
Heater starts, flame lights but solenoid
Heater starts, flame lights but solenoid
valve does not open....malfunction
Heater starts, flame lights but solenoid
valve does not open....malfunction
valve does not open....malfunction
Heater starts, no flame,
Heater starts, no flame,
solenoid valve opens, gas flows
Heater starts, no flame,
solenoid valve opens, gas flows
......malfunction
solenoid valve opens, gas flows
......malfunction
......malfunction
Heater starts, flame lights, solenoid
Heater starts, flame lights, solenoid
valve opens, gas flows and
Heater starts, flame lights, solenoid
valve opens, gas flows and
ignites ..........
valve opens, gas flows and
ignites ..........
after few seconds....malfunction
ignites ..........
after few seconds....malfunction
after few seconds....malfunction
Heater starts, flame lights, solenoid
Heater starts, flame lights, solenoid
valve opens, no gas flows......
Heater starts, flame lights, solenoid
valve opens, no gas flows......
malfunction
valve opens, no gas flows......
malfunction
malfunction
Heater sometimes switches to
Heater sometimes switches to
malfunction
Heater sometimes switches to
malfunction
malfunction
13. Possible faults and causes
13. Possible faults and causes
13. Possible faults and causes
Cause:
Cause:
Cause:
No room thermostat
No room thermostat
connected or jumper on
No room thermostat
connected or jumper on
the thermostat socket
connected or jumper on
the thermostat socket
is missing
the thermostat socket
is missing
is missing
Room thermostat set incorrectly
Room thermostat set incorrectly
Room thermostat set incorrectly
Safety thermostat has triggered
Safety thermostat has triggered
or is defective
Safety thermostat has triggered
or is defective
or is defective
Burner control or solenoid valve
Burner control or solenoid valve
defective
Burner control or solenoid valve
defective
defective
Ignition electrode defective
Ignition electrode defective
Ignition electrode defective
Ignition gap too large
Ignition gap too large
Ignition gap too large
Ignition cable defective
Ignition cable defective
Ignition cable defective
Burner control deefective
Burner control deefective
Burner control deefective
Ionization-/ Ignition electrode are
Ionization-/ Ignition electrode are
dirty or defective
Ionization-/ Ignition electrode are
dirty or defective
dirty or defective
Protective earth/ground are
Protective earth/ground are
missing
Protective earth/ground are
missing
missing
Hose leakage device not pressed
Hose leakage device not pressed
Hose leakage device not pressed
Gas pressure regulator defective
Gas pressure regulator defective
Gas pressure regulator defective
Gas pressure too low
Gas pressure too low
Gas pressure too low
Valve clogged
Valve clogged
Valve clogged
Solenoid valve or gas pipe
Solenoid valve or gas pipe
clogged
Solenoid valve or gas pipe
clogged
clogged
Ionization-/ Ignition electrode are
Ionization-/ Ignition electrode are
dirty or defective
Ionization-/ Ignition electrode are
dirty or defective
dirty or defective
Ignition
Ignition
Ignition
Control box
Control box
Control box
Gas pressure
Gas pressure
Gas pressure
45 of 62
45 of 62
45 of 62
Remedy:
Remedy:
Remedy:
Connect the room thermostat
Connect the room thermostat
or insert jumper
Connect the room thermostat
or insert jumper
or insert jumper
Check setting
Check setting
Check setting
Cool down the heater,
Cool down the heater,
eliminate the cause, or
Cool down the heater,
eliminate the cause, or
replace the STL
eliminate the cause, or
replace the STL
replace the STL
Exchange
Exchange
Exchange
Exchange
Exchange
Exchange
Minimize
Minimize
Minimize
Exchange
Exchange
Exchange
Exchange
Exchange
Exchange
Clean resp. exchange
Clean resp. exchange
Clean resp. exchange
Check socket / extension /
Check socket / extension /
power supply to proper ground
Check socket / extension /
power supply to proper ground
power supply to proper ground
Press after opening the bottle
Press after opening the bottle
valve
Press after opening the bottle
valve
valve
Exchange
Exchange
Exchange
Check
Check
Check
Clean resp. exchange
Clean resp. exchange
Clean resp. exchange
Clean resp. blow through
Clean resp. blow through
(customer service)
Clean resp. blow through
(customer service)
(customer service)
Check
Check
Check
Check
Check
Check
Check for loose clips
Check for loose clips
Check for loose clips
Check
Check
Check
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