Hisense AVWT-192FFFH User Manual

125
Troubleshooting
Code Category Content of Abnormality Leading Cause
3A
Outdoor
Unit
Abnormality of Outdoor Unit Capacity Outdoor Unit Capacity > 54HP
3b
Incorrect Setting of Outdoor Unit Models Combination
or Voltage
Incorrect Setting of Main and Sub Unit(s) Combination or
Voltage
3d
Abnormality Transmission between Main Unit and Sub
Unit(s)
Incorrect Wiring, Disconnect Wire, Breaking Wire, PCB Failure
43
Protection
Device
Activation of Low Compression Ratio Protection
Device
Defective Compression (Failure of Compressor of Inverter,
Loose Power Supply Connection)
44 Activation of Low Pressure Increase Protection Device
Overload at Cooling, High Temperature at Heating, Expansion
Valve Locking (Loose Connector)
45 Activation of High Pressure Increase Protection Device
Overload Operation (Clogging, Short-Pass), Pipe Clogging,
Excessive Refrigerant, Inert Gas Mixing
46
Activation of High Pressure Decrease Protection
Device
Insu󰀩cient Refrigerant, Blow-by of Four Way Valve
47
Activation of Low Pressure Decrease Protection
Device (Vacuum Operation Protection)
Insu󰀩cient Refrigerant, Refrigerant Piping, Clogging, Expansion
Valve Locking at Open Position (Loose Connector)
48 Activation of Inverter Overcurrent Protection Device Overload Operation, Compressor Failure
51 Sensor Abnormal Inverter Current Sensor Current Sensor Failure
53
Inverter
Inverter Error Signal Detection
Driver IC Error Signal Detection (Protection for Overcurrent,
Low Voltage, Short Circuit)
54 Abnormality of Inverter Fin Temperature
Abnormal Inverter Fin Thermistor,
Heat Exchanger Clogging, Fan Motor Failure
55 Inverter Failure Inverter PCB Failure
57
Fan
Controller
Activation of Fan Controller Protection
Driver IC Error Signal Detection (Protection for Overcurrent, Low
Voltage, Short Circuit), Instantaneous Overcurrent
5A Abnormality of Fan Controller Fin Temperature
Fin Thermistor Failure, Heat Exchanger Clogging, Fan Motor
Failure
5b Activation of Overcurrent Protection Fan Motor Failure
5C Abnormality of Fan Controller Sensor
Failure of Current Sensor (Instantaneous Overcurrent,
Increase of Fin Temperature, Low Voltage, Earth Fault, Step-
Out)
EE Compressor
Compressor Protection Alarm
(It is can not be reset from remote controller)
This alarm code appears when the following alarms* occurs
three times within 6 hours.
*02, 07, 08, 43 to 45, 47
A6 Inverter Abnormality of PCB Cooling Module Temperature Insu󰀩cient Refrigerant, or Abnormal EVO or MV5
b1
Outdoor Unit
No. Setting
Incorrect Setting of Unit and Refrigerant Cycle No. Over 64 Number is Set for Address or Refrigerant Cycle.
b5
Indoor Unit
No. Setting
Incorrect Indoor Unit Connection Number Setting
More than 17 Non-Corresponding to H-NET II Units are
Connected to One System.
7A
Water
module
Abnormal Water module
Abnormal situation such as water ow or freezing protection in
Water module
C1
Switch Box
Incorrect Indoor Unit Connection
2 or more Switch Boxes are connected between outdoor unit
and indoor unit.
C2 Incorrect Indoor Unit Connection No. Setting
The number of Indoor Units Connected to Switch Box above
limit.
03 Incorrect Indoor Unit Connection
The indoor units of di󰀨erent refrigerant cycle is connected to
Switch Box.
C4 Incorrect Indoor Unit Connection
Indoor units are detected when the port is set as no-using by
DSW2 or DSW3 refer to “Setting of DIP Switches” for the switch
box.
No-using for the port is not set when no indoor unit is detected
in the port.
Code Category Content of Abnormality Leading Cause
16
Water module
Temperature sensor of water tank is abnormal. Temperature sensor is in short-circuit or open-circuit.
17
Temperature sensor at outlet of plate heat
exchanger is abnormal.
Temperature sensor is in short-circuit or open-circuit.
70 Water ow or pressure is abnormal.
Water system has insu󰀩cient pressure or water ow is very
low.
71 Water tank electric heating is abnormal.
Electric heating temperature protective switch in water tank
cuts o󰀨.
72
Water module Water module electric heating is
abnormal.
Electric heating temperature protective switch in water module
cuts o󰀨.
73 Water ow switch abnormal Water ow switch is active when water pump is OFF.
76 Freezing protection. Temperature of Plate heat exchanger is too low to freeze.
80 Communication is abnormal.
Communication between wired controller and water module is
abnormal.
7C Communication is abnormal.
Communication between air-conditioner indoor unit and
outdoor unit is abnormal.

Hisense AVWT-192FFFH Specifications

General

Brand	Hisense
Model	AVWT-192FFFH
Category	Air Conditioner
Language	English