Midea MC-SU30-RN1L Service Manual

Aqua Tempo Super II
201709 63
Part
4 - Diagnosis and Troubleshooting
4.9 P0 Troubleshooting
Digital display output 4.9.1
Description 4.9.2
 Discharge pipe high pressure or discharge temperature switch protection. When the discharge pressure rises above
4.4MPa or discharge temperature rises above 115°C , the system displays P0 protection and all units stop running.
When the discharge pressure falls below 3.2MPa or discharge temperature fall below 75°C , P0 is removed and normal
operation resumes. When P0 error occurs 5 times in 120 minutes, a manual system restart is required before the
system can resume operation.
 Error code is displayed on main PCB and user interface.
Possible causes 4.9.3
 High pressure switch or discharge temperature switch not connected properly or has malfunctioned.
 Excess refrigerant.
 System contains air or nitrogen.
 High pressure side blockage.
 Poor condenser heat exchange.
 Main PCB damaged.

Midea MC-SU30-RN1L Specifications

General

Brand	Midea
Model	MC-SU30-RN1L
Category	Chiller
Language	English