Troubleshooting
Electrical Control System
87
2.4.4.10. P1 malfunction
(Only for 30K~60K)
Whether the wiring
between the high pressure
switch and main control
board is connected well or
correctly
Whether the wiring
between the high pressure
switch and main control
board is connected well or
correctly
Method:
Disconnect the plug.
Measure the resistance of
the
high pressure protector, if
the protector is normal the
value is o,
Method:
Disconnect the plug.
Measure the resistance of
the
high pressure protector, if
the protector is normal the
value is o,
Yes
Yes
Connect it well
Connect it well
No
Replace high pressure protector
Replace high pressure protector
No
Whether the high
pressure protector
is broken
Whether the high
pressure protector
is broken
Check whether the outdoor
ambient temperature is
higher than 50
℃
Check whether the outdoor
ambient temperature is
higher than 50
℃
No
Stop the unit
Stop the unit
Yes
Check if the outdoor unit
ventilation is good
Check if the outdoor unit
ventilation is good
Yes
Make the outdoor unit ventilate well
Make the outdoor unit ventilate well
Check whether the heat
exchanger is dirty
Check whether the heat
exchanger is dirty
No
Clean the heat exchanger
Clean the heat exchanger
Yes
Check whether the refrigerant
system is ok
Check whether the refrigerant
system is ok
Replace outdoor main
board
Replace outdoor main
board
No
P1 display
P1 display
High pressure protection
High pressure protection
Check if the outdoor fan runs
properly
Check if the outdoor fan runs
properly
please refer to the solution of fan
speed has been out of control
malfunction . Find out the cause and
have it solved.
please refer to the solution of fan
speed has been out of control
malfunction . Find out the cause and
have it solved.
No
Yes
NO
Summary of Contents for BSBSI36CTM
Page 5: ...External Appearance General Information 3 2 External Appearance 2 1 Indoor Units Duct ...
Page 15: ...Wiring Diagrams 13 4 Wiring Diagrams BSBSIE36CTM BSBSIE48CTM BSBSIE60CTM ...
Page 22: ...Field Wiring 20 Duct Type 10 Field Wiring ...
Page 25: ...Dimensions 23 Outdoor Units Model Unit mm W D H W1 A B BSBSIC60CTM 952 415 1333 1045 634 404 ...
Page 28: ...Wiring Diagrams 28 Outdoor Units 4 Wiring Diagrams BSBSIC36CTM BSBSI48CTM BSBSIC60CTM ...
Page 42: ...Installation Installation 43 ...
Page 82: ...Troubleshooting Electrical Control System 85 ...