F20 Fault Code
HTP: Fault Code F20: CONDENSATE FULL: The condensate trap is full. The red light will display and the word LOCKOUT will flash. This code indicates a serious safety issue. The boiler will not restart until the cause is determined by a technician and he pushes the RESET button on the display. During this lockout fault, the pump will be off as indicated on the second line of the display
1. Check condensate lines for obstructions.
2. Check float switch in condensate reservoir.
3. Check wiring from condensate reservoir to 926 control and repair as necessary.
"Cold Funk"
Kevin MacLeod (incompetech.com)
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