Rinnai RCE-460PTR Service Manual page 45

b. The convection fan does not begin to rotate.
1. Convection fan shaft grub screw loose.
2. An obstruction in the convection fan is preventing the fan from rotating.
3. Open circuit or bad connection in motor circuit. (Error code "62")
4. Faulty PCB.
c. The solenoid valves do not open
1. Broken wiring or loose pin connectors.
2. Solenoid coil wiring is broken or shorted.
3. Faulty PCB. (No DC90V circuit to solenoid.)
d. There is no spark
1. High tension cord disconnected or broken.
2. Leak due to broken electrode etc.
3. Incorrect spark gap (Normal spark electrode gap is 2.2 ~ 3.0 mm).
4. Faulty PCB.
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1. Air is in the gas supply.
2. Incorrect gas pressure (primary).
3. Incorrect gas type, or kink in the gas supply hose, or the hose is too long.
4. Faulty sparker.
5. Blocked injector.
6. Incorrect combustion specification. (Injector, restrictor, regulator pressure etc).
Convector 460/560PTR - 40 -
Normal Value
Motor Coil
150~300
Normal Value:
SV
1
Ω
2.0~3.0k
SV
2
Modulating Normal Value
Ω
Valve 16~26
Ω
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