Malfunction And Remedy - Kroll PE50 Betriebsanleitung

Malfunction and Remedy

Warning
All work on the electrical installation must be carried out by a qualified
electricien
Remove power supply plug only when the heater has entirely cooled down
Malfunction
WAH does not start
The WAH starts up, there is
ignition but the solenoid valve
does not open ... malfunction
shut-down
WAH starts up, no ignition,
solenoid valve opens, gas flows
in......malfunction shutdown
WAH starts up, ignition present,
solenoid valve opens, gas flows
in and is ignited...after several
seconds malfunction shutdown
occurs
WAH starts up, ignition present,
solenoid valve opens, no gas
flows
In.......malfunction shut-down
WAH occasionally goes to
malfunction
10
Possible Cause
a) No room thermostat is
connected
b) Room thermostat is
incorrectly set
c) Electrical power supply
d) No gas
a) Safety temperature controller
triggered or is defectiv
(Pos. 18 – PE10)
(Pos. 13 – PE30 – PE100)
b) Automatic gas firing unit
defective
(Pos. 16 – PE 10)
(Pos. 19 – PE30 – PE100)
c) Infrared flicker sensor defective
(Pos. 10 – PE 10)
(Pos. 14 – PE30 – PE100)
or is exposed to outside light
d) Infrared flicker detector gives a
flame signal during the lead-in
time (red LED), although no
flame has been established
a) Ignition electrode defective
(Pos. 8 - PE 10)
(Pos. 10– PE30 – PE100
b) Ignition gap too large
c) Ignition cable defective
(Pos 3 – PE10)
(Pos 8 – PE30 – PE100)
d) Automatic gas firing unit
defective
(Pos. 16 – PE 10)
(Pos. 19 – PE30 – PE100)
a) Infrared flicker sensor fouled
or defective
b) Magnet mounting defective
(Pos. 11– PE10)
(Pos. 15– PE30 – PE100)
a) Gas fitting defective
(Pos. 6– PE10)
(Pos. 7– PE30 – PE100)
b) Gas pressure
c) Nozzle fouled
a) Infrared flicker sensor
b) Ignition
c) Switching unit
d) Gas pressure
Remedy
a) Plug in a dummy plug on the
thermostat socket.
b) Check setting
c) Check the power plug and the
power supply
d) Check gas hook-up pressure
a) Release or replace
b) Replace
c) Exchange
d) Prevent impingement of external
light
a) Replace
b) Reduce
c) Replace
d) Replace
a) Clean or replace
b) Replace
a) Replace
b) Inspect
c) Clean, replace
a) Inspect
b) Inspect
c) Check for loose contacts
d) Inspect