SM-18003
3-19
TROUBLESHOOTING
1: Refer to Section 3.1.4 (3) above for details.
Cause
Check Item
Action
(Turn OFF Main Switch)
Event
Activation of
Float Switch
Failure of
Float Switch
Failure of
Drain Pump
Contact Failure
Incorrect Connection
Failure
Contact Failure
Incorrect Connection
Failure
Check drain pan.
Check drainage by
pouring water.
Check continuity
when drain level is low.
Measure resistance
with a tester.
Measure resistance
with a tester.
Measure voltage
between CN36 terminals
with a tester.
Check connection.
Check connection.
High Drain
Level
Clogging of
Drainage
Up-Slope
Drain Piping
Remove foreign particles
clogging drain pipe.
Replace float switch
if faulty.
Replace drain pump
if faulty.
Replace and tighten
connector.
Replace and tighten
connector.
Repair connection.
Repair connection.
Check PCB in
Self-Checking Mode.
1
Replace it if faulty.
Failure of Indoor Unit PCB
Содержание CICM008B21S
Страница 2: ......
Страница 10: ...viii SM 18003 ...
Страница 15: ...SM 18003 1 1 INSTALLATION 1 Installation ...
Страница 19: ...SM 18003 2 1 OPERATION 2 Operation ...
Страница 20: ...2 2 SM 18003 OPERATION 2 1 Indoor Unit Refer to the Operation Manual for Mini Cassette ...
Страница 22: ......
Страница 23: ...SM 18003 3 1 TROUBLESHOOTING 3 Troubleshooting ...
Страница 73: ...MAINTENANCE SM 18003 4 1 4 Maintenance ...
Страница 74: ...MAINTENANCE 4 2 SM 18003 4 1 Maintenance of Outdoor Unit Refer to the Service Manual for Outdoor Unit ...
Страница 99: ...SM 18003 5 1 EXTERNAL INPUT OUTPUT AND FUNCTION SETTING 5 External Input Output and Function Setting ...
Страница 138: ......
Страница 139: ...SM 18003 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions ...
Страница 148: ...6 10 SM 18003 FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A f t 3 l b ...
Страница 149: ...SERVICE PARTS LIST SM 18003 7 1 7 Service Parts List ...
Страница 150: ...SERVICE PARTS LIST 7 2 SM 18003 Refer to the Service Parts List for Mini Cassette ...
Страница 151: ......
Страница 152: ... 2018 Johnson Controls Inc SM 18003 Code No LIT 12013034 Issued April 2018 ...