Daikin RZQ140B7W1B [206/326] Failure of outdoor unit pc board e1

Daikin RZQ140B7W1B [206/326] Failure of outdoor unit pc board e1
Error Codes: Outdoor Units ESIE05-03
3–58 Part 3 Troubleshooting
3
1
3
4
5
3.2 Failure of Outdoor Unit PC Board (E1)
Remote Controller
Display
E1
Method of
Malfunction
Detection
Microcomputer checks whether E
2
PROM is normal.
Malfunction
Decision
Conditions
E
2
PROM:
When E
2
PROM malfunctions when turning the power supply on
Supposed Causes
P Faulty outdoor unit PC board
Troubleshooting
Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
Turn the power supply
off once and
then back on
Problem could be caused by
external factor (noise, etc.) other
than malfunction.
Fan motor check
Replace the control PC board.
NO
NO
YES
YES
Is normal reset possible?
Turn
the power
supply off and
disconnect the fan motor
connector from the PCB, then
turn the power supply on
again. Is "E1"
displayed?
ESIE05-03.book Page 58 Wednesday, April 6, 2005 4:09 PM

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