Yhd: Slave Unit Malfunction - Midea VRF Series Service Manual

2.18 yHd: Slave unit malfunction

Digital display output
In the error code, 'y' is a placeholder for the address (1, 2) of the slave unit with the error.
Description
 1Hd indicates an error on the slave unit with address 1.
 2Hd indicates an error on the slave unit with address 2.
 All units stop running.
 Error code is only displayed on the master unit.
Trigger / recover condition
 Trigger condition: Slave unit is malfunction.
 Recover condition: Slave unit goes back to normal.
 Reset method: Resume automatically.
Possible causes
 Slave unit malfunction.
Procedure
Check relevant slave unit
yHd
V6R VRF 50/60Hz
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