Rinnai RHFE-431WTA User Manual

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TROUBLE SHOOTING
Your RHFE-431WTA requires very little maintenance, simply clean the rear fan filter as needed and
wipe the outer case and louver section with a damp cloth.
General maintenance items are not covered under unit's warranty, such as cleaning dust, debris and
carbon from flame rod, and improper set up of unit.
Problem
Remedy
Cause
Not Plugged In
Power Cut
(Initial Installation)
Air In Gas Pipe
Gas Filter Blocked
Miss Ignition
Flue terminal obstructed
Flue manifold not connected
Louver obstructed
Air filter blocked
Gas Escape
Function Lock Set
Gas turned off at meter
On Timer is set
Plug In
Re-ignite manually after
power is restored
Purge air
(Installer)
Service Call
Service Call
Clear obstruction
Service Call
Clear obstruction
Clean filter
Service Call
Cancel Function Lock
Turn gas on
Cancel “Auto” mode 
No ON indicator
Burner doesn't ignite
Unusual combustion
Combustion stops
during operation
Smell of gas
Noisy ignition
Takes too long to
warm the room