:
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
15
DIAGNOSIS AND SOLUTION
EEPROM Parameter Error (EH00/EH0A)
Troubleshooting
EEPROM: Read-only memory contents can be erased and reprogrammed using pulsed voltage. For the EEPROM chip location, refer to Figures 16
and 17.
Fig. 16 — Indoor PCB
Fig. 17 — Outdoor PCB (18K Model)
NOTE: Figures 16 and 17 are for reference only and may differ from your actual unit.
Error Code EH00/EH0A
Malfunction decision conditions Indoor or outdoor PCB main chip does not receive feedback from the EEPROM chip
Supposed causes
Installation mistake
PCB Faulty
Replace the indoor/outdoor
main control boards.
Power off the unit
and wait three minutes.
The unit is OK
Error code
returns?
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