Hisense AVWT-192FFFH User Manual

193
Troubleshooting
1.2.4 Troubleshooting by 7-Segment Display
Only the authorized person can check with this method. Operating conditions and each part of refrigeration cycle can be
checked by 7-segment and push switches on the PCB in the outdoor unit.
(1) Before Checking
(a) Turn ON main power supply. Wait for more than 20 seconds to start checking.
(b) Checking ltems
* Connecting Information
* Outdoor Unit Information
* Indoor Unit Information
* Cause of Alarm Code Information
* Alarm Code History Information
(c) Check the location of 7-segment and push switches.
High voltage is applied to PCB and electrical parts. Never touch electrical
parts and wires when checking.
(2) Location of Push Switches and 7-Segment Display The push switches and 7-segment display are located on the
outdoor unit PCB.
O.U. PCB
211
Fan
SEG1
20F2 CH2
CH1
20A1
20F1
X1
212
SEG2
PSW5
PSW1
PSW4
PSW2 PSW3
7-Segment
Display
Mark Description of Mark Parts Mark in Wiring Diagram
CH
1
Contactor of Relay (Y
CH1
) on O.U. PCB for Crankcase Heater CH1
CH
2
Contactor of Relay (Y
CH2
) on O.U. PCB for Crankcase Heater CH2
20A
1
Contactor of Relay (Y
20A1
) on O.U. PCB for Solenoid Valve SVA
20A
2
- -
21
1
Contactor of Relay (Y
211
) on O.U. PCB for Reversing Valve RVR1
21
2
Contactor of Relay (Y
212
) on O.U. PCB for Reversing Valve RVR2
FAN - -
20B - -
20C - -
20F
1
Contactor of Relay (Y
20F1
) on O.U. PCB for Solenoid Valve -
20F
2
Contactor of Relay (Y
20F2
) on O.U. PCB for Solenoid Valve -
20CHG - -
X
1
Contactor of Relay (Y
X1
) on O.U. PCB for Solenoid Valve SVG
X
2
- -

Hisense AVWT-192FFFH Specifications

General

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