Error, fault and alarm codes of products - what each code means, its causes and what to do - read from the manufacturers’ manuals, with the manual page each answer comes from.
Air flow switch error pre purge The manual's first action is: “A25 POF Switch Check Blower and Air Flow Proving Switch Press OK to reset”
The flue switch is blocked during pre-purge. The manual's first action is: “A24 Pressure Switch Check wiring To pressure switch”
Blocked flue switch during Post purge The manual's first action is: “A23 Pressure Switch Check wiring To pressure switch”
Flame detected just before gas valve opened The manual's first action is: “A20 Flame snse wo ht Immediate Lock Out! Call Tech Service PRESS HELP”
Flame still present 10 sec. after closing the gas valve The manual's first action is: “A19 Flame snse wo ht Immediate Lock Out! Call Tech Service PRESS HELP”
Fan pressure switch tripped three times during burn state with 15-second intervals between retries. The manual's first action is: “A08 Proof of Fan err Check air flow for obstructions PRESS HELP”
The unit has reset three times at 90 volts. The manual's first action is: “A07 Low volt to unit Call Electrician Press OK to reset”
The system detected no pressure during three consecutive burn attempts, indicating a possible blockage in the venting system. The manual's first action is: “A06 Blocked Venting Check venting for Obstructions Press Help”
The overheat sensor has opened due to excessive heat. The manual's first action is: “A03 High Water Temp. Immediate Lock Out Call Tech Service”
Three times flame lost during one demand The manual's first action is: “A02 Burner flame is Not stable Call Tech Service Press OK to reset”
The heater failed to ignite after three consecutive attempts, triggering a lockout. The manual's first action is: “Heater did not light Call Tech Service Press OK to reset”
All 13 error codes of the Rheem GHE80ES/THE80ES GHE100ES/THE100ES gas water heater with their meaning, causes and what to do, taken from the manufacturer's manual with page references.
That's not a verb I recognise. The manual lists no action for this code.
The system indicates an attempt to apply a verb to a non-animate object. The manual lists no action for this code.
The system is unsure of what 'it' refers to. The manual lists no action for this code.