Rinnai ES22 Spezifikationen PDF herunterladen (Seite 22)

Fault Codes

• A fault code will flash on the unit when a fault occurs. The unit will stop operating.

• Operation intervention is required for all codes EXCEPT a code 11.

• To view the last nine fault codes, with the unit OFF, press the UP, DOWN, and, ECONOMY buttons simultaneously

CODE PROBABLE CAUSE COMMENTS

Ignition or Flame failure

Flame current inadequate; Unit will attempt to relight (see Manual-Restart Feature)

Overheat Safety Device Overheat safety bimetal(s) or thermal fuse has activated

Over temperature cut off Room temperature is sensed as being above 104°F for longer than 10 minutes

Room temperature thermistor disconnection Room temperature thermistor open circuit

Room temperature thermistor short circuit Room temperature thermistor wire shorted or touching bare metal

High limit thermistor disconnection High limit thermistor open circuit

High limit thermistor short circuit High limit thermistor shorted or touching bare metal

Pressure sensor disconnect or breakdown Check sensor connection to PCB & hoses to blower motor

Abnormal spark sensed Spark not sensed correctly

Abnormal combustion fan motor rpm Fan speed not achieved within time or goes over speed

Convection fan failure Ensure convection fan can turn freely

ON/OFF switch failure ON/OFF switch connects continuously for more than 15 seconds

Solenoid valve check Solenoid valve(s) (SV1 & SV2) signal and response signal are different

Flame rod failure PCB fails to sense microamps within 20 seconds

Communication failure Data transfer within PCB fails

Flue block or venting disconnect Check intake and exhaust inside and outside for blockage or freezing

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Rinnai ES22 Spezifikationen Seite 22