73
16.4 Error Codes Table
Diagnosis display
Abnormality/Protection control
Abnormality Judgement
Primary location to verify
H00
No abnormality detected
—
—
H12
Indoor/Outdoor capacity unmatched
90s after power supply
Indoor/outdoor connection wire
Indoor/outdoor PCB
Specification and combination table in
catalogue
H15
Outdoor compressor temperature sensor
abnormality
Continue for 5 sec.
Compressor temperature sensor
(defective or disconnected)
H23
Indoor refrigerant liquid temperature
sensor abnormality
Continue for 5 sec.
Refrigerant liquid temperature sensor
(defective or disconnected)
H42
Compressor low pressure abnormality
—
Outdoor pipe temperature sensor
Clogged expansion valve or strainer
Insufficient refrigerant
Outdoor PCB
Compressor
H62
Water flow switch abnormality
Continue for 1 min.
Water flow switch
H63
Refrigerant low pressure abnormality
4 times occurrence within
20 minutes
Outdoor low pressure sensor (defective
or disconnected)
H64
Refrigerant high pressure abnormality
Continue for 5 sec.
Outdoor high pressure sensor
(defective or disconnected)
H70
Back-up heater OLP abnormality
Continue for 60 sec.
Back-up heater OLP
(Disconnection or activated)
H72
Tank sensor abnormal
Continue for 5 sec.
Tank sensor
H76
Indoor - remote control communication
abnormality
—
Indoor - control panel
(defective or disconnected)
H90
Indoor/outdoor abnormal communication
> 1 min after starting operation
Internal/external cable connections
Indoor/Outdoor PCB
H91
Tank heater OLP abnormality
Continue for 60 sec.
Tank heater OLP
(Disconnection or activated)
H95 Indoor/Outdoor
wrong
connection
—
Indoor/Outdoor supply voltage
H98
Outdoor high pressure overload
protection
—
Outdoor high pressure sensor
Water pump or water leakage
Clogged expansion valve or strainer
Excess refrigerant
Outdoor PCB
H99
Indoor heat exchanger freeze prevention
—
Indoor heat exchanger
Refrigerant shortage
F12
Pressure switch activate
4 times occurrence within 20
minutes
Pressure switch
F14
Outdoor compressor abnormal revolution
4 times occurrence within 20
minutes
Outdoor compressor
F15
Outdoor fan motor lock abnormality
2 times occurrence within 30
minutes
Outdoor PCB
Outdoor fan motor
F16
Total running current protection
3 times occurrence within 20
minutes
Excess refrigerant
Outdoor PCB
F20
Outdoor compressor overheating
protection
4 times occurrence within 30
minutes
Compressor tank temperature sensor
Clogged expansion valve or strainer
Insufficient refrigerant
Outdoor PCB
Compressor
F22
IPM (power transistor) overheating
protection
3 times occurrence within 30
minutes
Improper heat exchange
IPM (Power transistor)
F23
Outdoor Direct Current (DC) peak
detection
7 times occurrence
continuously
Outdoor PCB
Compressor
F24
Refrigeration cycle abnormality
2 times occurrence within 20
minutes
Insufficient refrigerant
Outdoor PCB
Compressor low compression
F25 Cooling/Heating
cycle
changeover
abnormality
4 times occurrence within 30
minutes
4-way valve
V-coil
F27
Pressure switch abnormality
Continue for 1 min.
Pressure switch
F36
Outdoor air temperature sensor
abnormality
Continue for 5 sec.
Outdoor air temperature sensor
(defective or disconnected)
F37
Indoor water inlet temperature sensor
abnormality
Continue for 5 sec.
Water inlet temperature sensor
(defective or disconnected)
F40
Outdoor discharge pipe temperature
sensor abnormality
Continue for 5 sec.
Outdoor discharge pipe temperature
sensor (defective or disconnected)
F41
PFC control
4 times occurrence within 10
minutes
Voltage at PFC
Содержание WH-MDC06E3E5
Страница 10: ...10 4 Location of Controls and Components 4 1 Mono Bloc Unit ...
Страница 11: ...11 4 1 1 Main Components ...
Страница 13: ...13 ...
Страница 14: ...14 ...
Страница 15: ...15 4 1 3 Weekly Timer Setting ...
Страница 16: ...16 4 1 4 Setting Up The Special Functions ...
Страница 17: ...17 5 Dimensions 5 1 Mono Bloc Unit ...
Страница 18: ...18 6 Refrigeration and Water Cycle Diagram ...
Страница 19: ...19 ...
Страница 20: ...20 7 Block Diagram ...
Страница 21: ...21 8 Wiring Connection Diagram ...
Страница 22: ...22 ...
Страница 23: ...23 9 Electronic Circuit Diagram ...
Страница 24: ...24 ...
Страница 25: ...25 10 Printed Circuit Board 10 1 Water System 10 1 1 Main Printed Circuit Board ...
Страница 26: ...26 10 1 2 Solar Printed Circuit Board Optional ...
Страница 27: ...27 10 2 Refrigerant System 10 2 1 Main Printed Circuit Board ...
Страница 28: ...28 10 2 2 Capacitor Printed Circuit Board 10 2 3 Noise Filter Printed Circuit Board ...
Страница 29: ...29 11 Installation Instruction Mono Bloc Unit Dimension Diagram ...
Страница 30: ...30 Main Components ...
Страница 39: ...39 Cool Mode Operation Time Chart 12 1 4 Cool Tank Mode Operation ...
Страница 41: ...41 ...
Страница 42: ...42 ...
Страница 48: ...48 ...
Страница 49: ...49 ...
Страница 59: ...59 Solar Priority Not Set Heat Tank Mode Heating Priority Set ...
Страница 60: ...60 Tank Mode Solar Priority Set Solar Priority Not Set ...
Страница 109: ...109 17 3 To Remove The Cabinet Rear Plate 17 4 To Remove Pressure Gauge ...
Страница 110: ...110 17 5 To Remove RCCB 17 6 To Remove Transformer and Electronic Controller Board ...
Страница 117: ...117 18 4 Hydraulic Pump Performance ...
Страница 118: ...118 19 Exploded View and Replacement Parts List 19 1 WH MDC06E3E5 WH MDC09E3E5 Refrigerant System ...
Страница 119: ...119 ...
Страница 122: ...122 19 2 WH MDC06E3E5 WH MDC09E3E5 Water System ...