RIB2312 Sapphire Gas Log Flame Fire
- 8 -
1/03/18 ©Rinnai
Fault Analysis
Fault Analysis
Symptom Cause
Check
Burner will not light
No power present
Ensure power cord is plugged into Power Supply
AC216 ~ 264V and turned on
Check that 3A fuse in harness is OK (<1)
Check that power is supplied to control panel
Ensure manual control panel is turned ON and LED
luminates
Over Heat Switch open
circuit, faulty or OHS
connector disconnected
(unit sparks for 2 seconds
then stops)
With power supply off check that OHS continuity is <1
OHS switch activation caused by insufficient flue draw
Check if OHS lead is not disconnected from Ignition
pack
No gas present or air in
gas supply
Ensure gas supply is turned on
Purge air from gas pipe (installer)
Repeat lighting procedure
Gas valve not opening
Check power supply to POV
Yellow Yellow DC12V
POV resistance 75 ~ 85
Ignition failure (no spark
present)
Listen if spark is present
Check by visual observation that spark is between
electrode and Pilot head (gap 3.5mm ± 0.5)
Check power supply to ignition box from control unit
Blue Black AC216 ~ 264V
Check condition of ignition probe and check High
Tension lead connection
Pilot lights, then goes
out
Flame rod not sensing
Check :
- Flame
Rod
-
Connection to Flame Rod
- Pilot
Flame
-
Blue Box (check earthing connection)
Smell of gas
Leaking gas
Turn off gas at meter or LPG/Propane cylinder
Is the gas connection secure, retighten and recheck
connection for leakage
Fan not working
Fan is off
Delay time for fan to come ON is 4 minutes
Check voltage and resistance at fan motor
Blue - White High fan 120 VAC 170~190
Yellow - White Low fan 120 VAC 240~260
Red - White Not used 120 VAC 260~280
