Midea MV6-i252WV2GN1-E, Руководство по обслуживанию

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V6-i VRF 50/60Hz
90
Midea
V6
-i
Series S
er
vice M
anual
2.11 F6: Electronic expansion valve connection error
Digital display output 2.11.1
Description 2.11.2

Electronic expansion valve connection error.

All units stop running.

Error code is only displayed on the unit with the error.
Trigger / recover condition 2.11.3

Trigger condition: The main control board cannot receive the feedback signal of EXV.

Recover condition: The main control board can receive the feedback signal of EXV.

Reset method: When the main control board can receive the feedback signal of EXV, F6 flashes, a manual system
restart id required before the system can resume operation.
Possible causes 2.11.4

Electronic expansion valve coil not connected properly or has malfunctioned.

Damaged main PCB.