Rinnai RHFE-750ETRA User Manual

 

Rinnai Corporation RHFE-750ETRA                                                            13 

  Troubleshooting 

No display on remote 

Replace the remote control batteries. 

No ignition or no panel indications 

Ensure the appliance has power. 

Press the control panel ON/OFF button. 

Burners fail to ignite 

Air may need to be purged from the gas line.  Several 
ignition attempts may purge the gas line. 

Turn on the gas supply. 

Combustion stops during operation 

Remove any obstructions from the louvers. 

Turn on the gas supply. 

Smell of gas 

Follow the instructions in the warning block on the front of 
this manual. 

Remote control does not work 

Ensure the appliance has power. 

Press the control panel ON/OFF button. 

Press the LOCK button for 3 seconds if LOCK is displayed. 

Press the STANDBY/ON button. 

Warm air does not start immediately after burner 
lights 

The appliance will wait until the heat exchanger is warmed 
up before discharging air.  This ensures that any discharge 
air will be warm and not cold. 

Smoke or odors are produced when first operated  This is caused by grease or oil on the heat exchanger or by 

dust and should stop after a short time. 

Clicking noises at ignition or shutdown 

Internal components are cooling (contracting) or heating up 
(expanding) at different rates. 

Clunking noise when the thermostat operates 

This is the sound of the solenoid gas valves opening and 
closing to regulate the gas flow. 

Convection fan continues to run after appliance is 
turned OFF 

The fan will continue to run to prevent internal components 
from overheating. 

Steam is discharged from the flue outside 

Steam discharge is normal. 

Does not start while in STANDBY and the 
temperature is below the setting 

Timers must be turned off (or press OVERRIDE) for 
manual operation. 

Timers do not turn the appliance ON or OFF 

Timers may be turned off or incorrectly programmed. 

Timer turns the appliance ON briefly and then the 
appliance turns OFF before the OFF time setting. 

The room temperature may be higher than the temperature 
setting.