15 | Troubleshooting
Installer reference guide
204
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620242-1 – 2020.06
You can get a short and a long description of the malfunction as follows:
1 Press the left dial to open the main menu and go to
Malfunctioning.
Result: A short description of the error and the error code is
displayed on the screen.
2 Press in the error screen.
Result: A long description of the error is displayed on the
screen.
15.4.2 Error codes of the unit
= Compressor module, = Hydro module
Error code Description
7H-01 Water flow problem
7H-05 Water flow problem during heating/sampling
7H-06 Water flow problem during cooling/defrost
80-01 Returning water temperature sensor problem
81-00 Leaving water temperature sensor problem
81-01 Mixed water thermistor abnormality.
81-06 Entering water temperature thermistor
abnormality (indoor unit)
89-01 Heat exchanger frozen (during defrost)
89-02 Heat exchanger frozen (not during defrost)
89-03 Heat exchanger frozen (during defrost)
89-05 Water Heat Exchange Freezing Abnormality
during cooling (confirmed)
89-06 Water Heat Exchange Freezing Abnormality
during cooling (during counting)
8H-00 Abnormal increase outlet water temperature
8H-01 Overheating mixed water circuit
8H-02 Overheating mixed water circuit (thermostat)
8H-03 Overheating water circuit (thermostat)
A1-00 Zero cross detection problem
A5-00 OU: High pressure peak cut / freeze protection
problem
AA-01 Backup heater overheated
C0-00 Flow sensor malfunction
C4-00 Heat exchanger temperature sensor problem
C5-00 Heat exchanger thermistor abnormality
To Next Page
Loading...
