andrews L32/143 Installation Manual, Operation And Service Manual page 46

FAULT FINDING
FAULT ACTION
PILOT LIGHTS BUT
MAIN BURNER
DOES NOT
WATER DOES NOT
GET HOT
PILOT FLAME
FAILURE
PILOT WILL NOT
STAY ON
BURNER WILL NOT
LIGHT PILOT
ESTABLISHED
(a) Check for 24V AC at intermittent pilot ignition control
terminal No. 3. Replace control if faulty.
(b) Faulty Solenoid Coil. Replace if faulty.
(a) Check gas service cock is open.
(b) Check water valves are open
(c) Check pilot is alight
(d) Check thermostat setting. reset to higher temperature
(e) Check gas pressures at burner and at gas inlet to appliance.
(f) Standard Range. Check cold dip inlet tube for damage.
(a) Try to light burner.
(b) Pilot will not light. Wait 3 minutes then try again.
NOTE: If pilot flame has failed and water is over temperature,
ECO has operated. In which case, determine cause of
overheating.
(a) Check gas is available
(b) Check thermopile and ECO connections. Replace if
necessary.
(c) Check if inlet gas pressure is too high or too low. Pressure
to multifunctional control should be 37 mbar (14.86in
WG) Propane 28 mBar (11.26in WG) Butane.
(d) Pilot jet blocked. Clean or replace pilot jet.
(e) Faulty magnet coil. Replace multifunctional control.
(f) ECO safety thermostat operating at too low a temperature.
Replace faulty control.
(a) Thermostat setting too low.
(b) Gas control knob not set to ON.
(c) Check thermostat for failure to close.
(d) Check gas control valve.
SECTION 8
PERMANENT
PILOT MODELS
STANDARD AND
HI-FLO RANGES
41