Table Of Contents - Paloma PH2-20R OFN Engineering Handbook

2 | Page
General Information
Specifications
Sequence of Operations
1. Ignition Sequence
2. Monitoring Sequence
3. Shutdown Sequence
Error Code Table
Components "Callouts"
Maintenance Mode "How To"
Control Board "Callouts"
Reset Procedure
Clearing Fault History
Error Code Diagnostics
No Error Code & No Hot Water
P1 Warning Code
1L Warning Code
03 Error Code
05 Warning Code
10 Warning Code
11 Error Code
Gas Supply & Venting
Igniter Rod (Spark is NOT visible)
Flame Rod (Flame IS visible)
Gas Control Valve (Spark IS visible; Flame is NOT visible)
Control Board
12 Error Code
Gas Supply & Venting
Flame Rod(s)
13 Error Code
Venting
Ground
Flame Rod(s)
14 Error Code
15 Error Code
16 Error Code
24 Error Code
29 Error Code
2
31 Error Code
32 Error Code
SVC 820 Tankless Gas Trouble Shooting Manual

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