Clarke 6925500 Handbuch für Betrieb und Wartung - Seite 13
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FAULT FINDING
Problem
Heater fires but shuts off
after a short period of
time.
Heater will not operate
Fan does not operate
when heater is switched
on.
Poor combustion and/or
excessive soot produc-
tion.
Heater does not turn on
and the lamp does not
light.
Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]
Cause
1. Dirty fuel filter
2. Nozzle is dirty
3. Photocell lens is dirty
4. Photocell not installed
properly.
5. Photocell defective
6. Bad connection
between PCB and
photocell
1. No fuel in tank
2. Corroded spark plug or
incorrect plug gap
3. Dirty fuel filter
4. Dirty nozzle
5. Moisture in fuel/tank
6. Bad electrical
connection between
transformer and PCB
7. Igniter wire not
connected to sparkplug
8. Defective igniter
1. Thermostat is set too low
2. Broken electrical
connection between
main PCB and motor.
1. Dirty fuel filter
2. Poor quality fuel.
1. Temperature limit sensor
has overheated.
2. No electrical power
3. Fuse blown
4. Bad connection
between temperature
limit sensor and PCB.
13
Solution
1. Clean/replace fuel filter
2. Clean/replace nozzle
3. Clean photocell
4. Adjust photocell position
5. Return to dealer for new
photocell
6. Ask dealer to check
wiring connections
1. Fill tank with fresh fuel.
2. Ask dealer to clean/re-
gap/replace spark plug
3. Clean/replace fuel filter
4. Ask dealer to clean/
replace nozzle.
5. Rinse out fuel tank with
clean, fresh fuel.
6. Return to dealer.
7. Return to dealer for repair.
8. Return to dealer for repair.
1. Turn the thermostat to a
higher setting
2. Ask dealer to check all
electrical connections.
1. Clean/replace fuel filter
2. Check that fuel is not
contaminated or old.
1. Set the power switch to
off and allow the heater
to cool for 10mins before
switching back on.
2. Check the power cable
for good connection.
Test the power supply.
3. Return to dealer for repair.
4. Return to dealer for repair.