Error Code; Gas Supply & Venting - Paloma PH2-20R OFN Engineering Handbook

11 – Error Code
Explanation: This error code is commonly a result of GAS SUPPLY and/or VENTING. Flame Rod(s) does not detect flame. This
Is caused by the following: Inadequate GAS SUPPLY; Inadequate VENTING; Igniter Rod NOT sparking; Build-up on Flame Rod(s)
caused by inadequate GAS SUPPLY and/or VENTING; Gas Valve.
IMPORTANT: If all water heater components test 'OK', you must thoroughly inspect your GAS SUPPLY & VENTING.
First Check: GAS SUPPLY & VENTING
Diagnostic Checks:
•
GAS SUPPLY & VENTING
•
Igniter Rod
•
Flame Rod(s)
•
Gas Control Valve
Make sure you have sufficient fuel for the unit to operate properly.
1. Gas Type (LP or Natural Gas)
2. Gas Pressure
3. Gas Pipe Size
4. Gas Flex Line Not To Exceed 36" In Length, has the proper ID (Inside Diameter), and correct BTU rating
5. Gas Regulator
6. Gas Shut Off Valves
7. Air In Gas Line
Visually inspect venting for possible blockage and/or recirculation of exhaust.
1. Approved Venting Materials
2. Approved Vent Terminations
3. Vent Lengths
4. Location Of Vent Termination (Recirculation of exhaust)
5. Blocked Venting
6. Venting Not Sealed Properly
SVC 820-Tankless Gas Trouble Shooting Manual
GAS SUPPLY & VENTING
**REFER TO USE & CARE MANUAL**
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