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Trouble display table
Display
Trouble
Criteria and diagnosis
Trouble in coil temperature sensor
of heat pump unit
Open-circuit or short-circuit in sensor itself or lead wires
<Diagnosis>
• Defective contact of connector or defective crimping of
terminal
• Defective heat pump unit PCB
H05
High pressure switch confirmed after 8 retries.
(When refrigerant pressure is 16 MPa or more)
<Diagnosis>
• Blocked refrigerant circuit pipe
• Defective high pressure switch or heat pump unit PCB
• Trouble in hot water storage circulation system (such
as trapped air or blockage)
• Defective hot water storage circulation pump
• When there is no water in the tank unit
• Improper installation of unit
Open-circuit or short-circuit in sensor itself or lead wires
<Diagnosis>
• Defective contact of connector or defective crimping of
terminal
• Defective heat pump unit PCB
PAM overcurrent, PAM overvoltage or FET overheating
confirmed after 8 retries
<Diagnosis>
• Abnormal voltage and current protection in PAM circuit
• Blocked refrigerant circuit pipe
• Instantaneous power failure caused by lightning
• Defective high pressure switch or heat pump unit PCB
• Trouble in hot water storage circulation system (such
as trapped air or blockage)
• Defective hot water storage circulation pump
• Defective electric expansion valve in heat pump
unit
• When there is no water in the tank unit
• Improper installation of unit
Trouble in high pressure switch
H01
Trouble in compressor temperature
sensor
H02
H03
H04
H06
Trouble in water coil inlet sensor
H09
Trouble in split coil inlet sensor
H0A
Trouble in split coil outlet sensor
H07
Trouble in water coil outlet sensor
H11
Trip input (PAM overcurrent, PAM
overvoltage)
When a current of 0.8A or more does not flow at an
operating frequency of 43 Hz.
<Heat pump unit>
Trouble in current sensor
Trouble in outdoor temperature
sensor
Summary of Contents for SHP-C90GDN
Page 18: ... 18 07 The structure of the menus ...
Page 24: ... 24 ...
Page 36: ... 36 0HDVXUHPHQWV With packaging 1 5 7 4 6 3 0 5 9 6 17 3 6 7 6 7 7 0 0 ...
Page 48: ... 48 OHFWULFDO ZLULQJ GLDJUDP 㧨㧿㧴㧼㧙㧥㧜㧳㧰㧺㧙㧿㨃㧪 ...
Page 49: ... 49 㧨㧿㧴㧼㧙㧥㧜㧳㧴㧺㧙㧿㨃㧪 ...
Page 50: ... 50 㧨㧿㧴㧼㧙㧥㧜㧳㧱㧺㧙㧿㨃㧪 ...
Page 51: ... 51 㧨㧿㧴㧼㧙㧯㧥㧜㧳㧰㧺㧦400V 3N㨪㧪 ...
Page 52: ... 52 㧨㧿㧴㧼㧙㧯㧥㧜㧳㧱㧺㧦230V 1N㨪㧪 ...
Page 68: ... 68 Parts List SHP TH90GDN SW SHP TH90GEN SW SHP TH90GHN SW ...