Midea MC-SU60-RN1L Service Manual

Aqua Tempo Super II
201709 69
Part
4 - Diagnosis and Troubleshooting
4.12 P6 Troubleshooting
Digital display output 4.12.1
Description 4.12.2
 1P6 indicates compressor A inverter module protection.
 2P6 indicates compressor B inverter module protection.
 When a P6 error occurs, a manual system restart is required before the system can resume operation. The cause of a
P6 error should be addressed promptly in order to avoid system damage.
 All units stop running.
 Error code is displayed on the main PCB and user interface.
Possible causes 4.12.3
 Inverter module protection.
 DC bus low or high voltage protection.
 MCE error.
 Zero speed protection.
 Phase sequence error.
 Excessive compressor frequency variation.
 Actual compressor frequency differs from target frequency.
Specific error codes for xH4 inverter module protection 4.12.4
If a P6 error code is displayed, press button SW3 (to No.36 item) until one of the following specific error codes is displayed
on the digital display: xL0, xL1, xL2, xL4, xL5, xL7, xL8, xL9. Refer to Figure 5-4.3 and Table 5-4.1.
Figure 4-4.1: Button SW3 on main PCB

Midea MC-SU60-RN1L Specifications

General

Brand	Midea
Model	MC-SU60-RN1L
Category	Chiller
Language	English