Paloma PH2-20R DVSN, Engineering Handbook

Page: 36 / 172

36 | Page SVC 820 Tankless Gas Trouble Shooting Manual
36
FLAME ROD(S) DIAGNOSTICS:
(flame IS visible)
Turn power OFF. Remove and reinsert white connector
“M” and blue connector “T” on Control Board.
1
Locate sight glass. While unit is attempting to ignite,
determine if flame is touching Flame Rod(s). IF NO,
remove any foreign debris. IF foreign debris NOT present:
CHECK GAS SUPPLY & VENTING.
Remove and reinsert terminals on Flame Rods(s)*.
Attempt to operate unit again. IF 11 Error Code does NOT
display, unit had a loose connection.
On Remote Control; go to Maintenance Mode 0Y table.
For Maintenance Mode instructions go to page 16.
Continue to diagnostic chart on next page.
3
2
4
*Indoor Models ONLY:
2 Flame Rods
Sight Glass
Flame Rod(s)*