Hisense AHM-080FJFAA Operation Installation Maintenance Manual page 56

Code Abnormality
Communication is
03
abnormal.
Water temperature sensor
11
at inlet is abnormal.
Water temperature sensor
12
at outlet is abnormal.
Temperature sensor of
13
liquid pipe is abnormal.
Temperature sensor of
14
gas pipe is abnormal.
Temperature sensor of
16
water tank is abnormal.
Temperature sensor at
17 outlet of plate heat
exchanger is abnormal.
Water flow or pressure
70
is abnormal.
Water tank electric heating
71
is abnormal.
Water module electric
72
heating is abnormal.
73 Water flow switch abnormal Water flow switch is active when water pump is OFF.
76 Freezing protection.
Communication is
80
abnormal.
Communication is
7C
abnormal.
Table 14.2 Fault Code
Communication cable between water module and outdoor unit
or wired controller is abnormal.
Temperature sensor is in short-circuit or open-circuit.
Temperature sensor is in short-circuit or open-circuit.
Temperature sensor is in short-circuit or open-circuit.
Temperature sensor is in short-circuit or open-circuit.
Temperature sensor is in short-circuit or open-circuit.
Temperature sensor is in short-circuit or open-circuit.
Water system has insufficient pressure or water flow is very
low.
Electric heating temperature protective switch in water tank
cuts off.
Electric heating temperature protective switch in water module
cuts off.
Temperature of Plate heat exchanger is too low to freeze.
Communication between wired controller and water module is
abnormal.
Communication between air-conditioner indoor unit and
outdoor unit is abnormal.
50
Cause