Rheem RHMV2421MNACJA Service Manual page 71

Troubleshooting 14-3
EEPROM Data Corruption Error
Detective actuators:
Outdoor unit main PCB
Detective details:
When the power is turned on and
When the data of the automatic correction was
damaged
Forecast of cause:
1. External cause
(Noise, temporary open, voltage drop)
2. Main PCB defective
Check 1-1 : Turn the power on again?
・
Error displayed again?
YES
Check 2 : Replace Main PCB
If Test 1 do not improve the symptom, replace Main PCB(Outdoor unit).
Indicate or Display:
Indoor unit
Operation lamp: 6 times Flash,
Timer lamp
Wired remote
Error code : [E : 62]
Outdoor unit (RP1736/1748HJVXA)
Mode Error
2
: Light OFF
Check 1-2 : External cause
NO
Check if temporary voltage drop was not generated.
Check if temporary open was not generated.
Check if ground is connected correctly or
there are no related cables near the power line.
03-21
: 2 times Flash
A B C D E F
6
2
: Light ON n : n times blinking