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OILTRONIX FAILURE
Manually locking the valve (temporary
solution)
Disconnect the connector (1) of the stepper motor, to
ensure that the stepper motor does not try to rotate the
valve.
Rotate the white coupling of the valve manually until
the blind hole (2) in the coupling is in line with the
threaded hole (3) in the housing.
Block the valve by screwing a bolt (M5 x 20) through
the housing and in the blind hole in the coupling.
HEATER FAILURE
Problem: Heater does not start when switched on.
Problem: Flame extinghuises.
Problem: Heater shuts off.
Problem: Control unit locked.
Possible faults Corrective actions
No fuel. Check fuel level.
Fuse blown. Check fuse.
Bad electrical contact. Check electrical wiring.
Blocked air duct or exhaust gas duct. Check combustion air duct and exhaust gas duct.
Glow plug defective. Replace glow plug.
Fan motor defective. Replace fan motor.
Possible faults Corrective actions
Overheating Cool down and start again.
Possible faults Corrective actions
Upper or lower voltage limit is reached. Check power.
Possible faults Corrective actions
Device switched off and on again too many
times.
Contact your agent.
Check the correct position of the blind
hole with a ∅ 4 mm pin.
Contact Atlas Copco for a thorough scan
and repair.
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