Fault Finding - andrews RFF190 Installation Manual, Operation And Service Manual

SECTION 7
22

FAULT FINDING

FAULT
(a) Power to unit interrupted
NO IGNITION
(b) Thermostat faulty
AT PILOT
(c) Spark ignition control module faulty
(a) Faulty air pressure switch
FLUE FAN RUNS
(b) Faulty spark ignition lead
NO IGNITION
SPARK
(a) Power to unit interrupted
FLUE FAN DOES
NOT RUN (b) Faulty fan motor
(c) Flue fan ECO actuated
(a) Check gas service cock is open
CONTINUOUS
IGNITION NO
PILOT FLAME
(a) Check gas service cock is open Press reset button
HEATER WILL
NOT LIGHT
LOCKOUT
ALARM
ILLUMINATED
(a) Sufficient ventilation is provided
MAIN BURNER
(b) The resistance of the flue system is to high
OUTAGE AT
(c) The burner pressure is to high
PERIODIC
INTERVALS (d) The flue fan ECO is faulty
ACTION
Check action of flue fan ECO. If this switch is
Actuating check: