Daikin ALTHERMA HT Service Manual page 151

ESIE09-08B
Troubleshooting
1. Pull out and insert the connecter once and check it is absolutely connected.
Troubleshooting
Be sure to turn off power switch before connect or disconnect
connector, or parts damage may be occured.
Caution
Is
the connector
between indoor PC board
(A1P) [X35A, X70A] and PC board for
control (A3P) [X10A, X15A]
accurately connected?
(*1)
YES
Confirm the condition of
transmission on indoor PC
board using local
installation mode.
Under
above local installation
mode, installation position
is "01 ".
YES
Connect the connecter X70A
and turn on the power again.
"C 1 "
Malfunction breaks
out again.
NO
Troubleshooting by Indication on the Remote Controller
NO
NO
YES
Connect the connector
accurately.
Replace indoor PC board
(A1P).
Replace PC board for
control (A3P).
Connect it and operate
(possible cause is
instantaneous blackout).
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