Daikin VRV X RXQ6-48ANR Series, Руководство по обслуживанию

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Troubleshooting by Error Code SiME341909EA
178 Part 6 Service Diagnosis
Note(s)
Troubleshooting
∗ 1. Pull out and insert the connector once and check if it is absolutely connected.
∗ 2. Method to check transmission part of indoor unit control PCB.
(1) Turn OFF the power and remove the connector X70A of indoor unit control PCB (A1P).
(2) Short circuit X70A.
(3) After turning ON the power, check below numbers under field setting from remote controller.
(Confirmation: Second code No. at the condition of first code No. 21 on mode No. 41)
∗ After confirmation, turn OFF the power, take off the short circuit and connect X70A back to
original condition.
NO
Is the
connector between
indoor unit PCB (A1P) and fan
PCB (A2P) accurately
connected? (
∗
1)
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Connect the connector accurately.
NO
Under above
field setting mode,
second code No. is 01 .
Replace the indoor unit control
PCB (A1P).
NO
YES
YES
YES
Replace the fan PCB (A2P).
Continue the operation (It is
possible to have a cause, such
as instantaneous power failure).
Connect the connector X70A
and turn ON the power again.
C1
Reoccurrence
of error.
Confirm the condition of
transmission on indoor unit
PCB using field setting mode.
(
∗
2)
Determination 01: Normal
Other than 01: Transmission error on indoor unit control PCB