Cooper & Hunter CH-CH10SNM, Service Manual

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30
Mini Chiller
Service Manual
UNITS MAINTENANCE
1 ERROR CODE LIST
Code Indication
Error Name Control Description
E1
Comp. 1 High-pressure protection
Press ON/OFF key to clear
E2
System 1 antifreeze protection
Auto resume
E3
Comp. 1 Low pressure protection
Press ON/OFF key to clear
E4
Comp. 1 Discharge temp. protection
Press ON/OFF key to clear
E5
Comp. 1 overload protection
Press ON/OFF key to clear
E6
Pump overload protection
Press ON/OFF key to clear
E7
Flow switch failure
Press ON/OFF key to clear
E8 Fan 1 overload protection Press ON/OFF key to clear
E9 System 1 outlet water temp. too high Auto resume
b1 Comp. 2 High-pressure protection Press ON/OFF key to clear
b2 System 2 antifreeze protection Auto resume
b3 Comp. 2 Low pressure protection Press ON/OFF key to clear
b4 Comp. 2 Discharge temp. protection Press ON/OFF key to clear
b5 Comp. 2 overload protection Press ON/OFF key to clear
b8 Fan 2 overload protection Press ON/OFF key to clear
b9 System 2 outlet water temp. too high Auto resume
F1 Antifreeze temp. sensor 1 failure Auto resume
F2 Antifreeze temp. sensor 2 failure Auto resume
F3 Defrost temp. sensor 1 failure Auto resume
F4 Defrost temp. sensor 2 failure Auto resume
F5 Discharge temp. sensor 1 error Auto resume
F6 Discharge temp. sensor 2 error Auto resume
F7 Outdoor ambient temp. sensor failure Auto resume
F8 Inlet water temp. sensor failure Auto resume
F9 Outlet water temp. sensor failure Auto resume
EC Communication malfunction Auto resume