andrews RSC 150 Installation And Operation Manual page 24

FAULT FINDING
FAULT
NO
IGNITION AT PILOT
PILOT LIGHTS BUT
MAIN BURNER
DOES NOT
ACTION
(a) Check gas service cock is open.
(b) Electrical ON/OFF switch is not ON.
(c) Power to unit interrupted.
(d) Thermostat set too low.
(e) Check ECO for failure. Reset.
(f) Check for 24V AC at intermittent pilot ignition control
terminal No. 1. Replace control if faulty.
(g) Faulty Solenoid Coil. Replace if faulty.
(a) Check for 24V AC at intermittent pilot ignition control
terminal No. 3. Replace control if faulty.
(b) Faulty Solenoid Coil. Replace if faulty.
SECTION 7
AUTO
IGNITION
UNITS
21