Error Codes: System Malfunctions ESIE02–01
3–58 Part 3 – Troubleshooting
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Troubleshooting 1 To troubleshoot, proceed as follows:
Does
outdoor unit
microcomputer
normal H1P
flash?
Is
indoor-outdoor
transmission wire
connected
correctly?
Is H1P flashing?
NO YES
NO
NO
NO
NO (ON or OFF)
NO (OFF)
YES
YES
YES
Is HAP flashing?
Is HBP flashing?
To outdoor unit
(next page)
Is H2P on?
Check of
indoor unit
microcom-
puter
normal
HAP
Check of
indoor unit
transmission
malfunction
HBP
YES
YES
Turn the power supply off
once and then back on.
Failure of indoor unit PCB or
malfunction of power supply
system.
Resets normally.
Could be outside
cause (noise...).
Failure of indoor unit PCB.
Wire correctly.
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