Condenser Installation Manual
Page 35 mrcool.com
Maintenance
Error Code
WARNING
1) When abnormalities occur, stop the unit immediately and disconnect power. Contact
MRCOOL. If the unit continues to run abnormally, it may damage the unit and cause an
electric shock or a fire hazard.
2) DO NOT attempt repairs to the appliance yourself. Improper repair and maintenance
can create electric shock and fire hazards. Please contact MRCOOL®Tech Support for
further guidance or a qualified professional for repairs.
If the display panel displays an error code, please refer to the following table:
Number Error Code Error
1 E1 Compressor high pressure protection
2
E4 Compressor air discharge high-temperature protection
4 F2 Condenser temperature sensor error
5 F3 Outdoor ambient temperature sensor error
6 F4 Discharge temperature sensor error
7 F6 Outdoor unit tube temperature sensor error
8
9
EE Outdoor unit memory chip error
10
11
12
H4 Overload
13
H5 IPM protection
14
H6 DC fan error
15
H7 Driver out-of-step protection
16
HC Pfc protection
17
Lc Startup failure
18
19
20
21
P0 Drive reset protection
3
E3
Compressor low pressure protection
P6 Master control and driver communication error
Driver module sensor error
P8 Driver module high temperature protection
P7
P5 Over-current protection
PA AC current protection
Pc Driver current error