4. Service procedures
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Section
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SM830076
4. SERVICE PROCEDURES
4-1
Troubleshooting .............................................................................................54
(1)
Check before and after Troubleshooting ................................................ 55
(2)
General Troubleshooting Flow Chart: Diagnosis and Remedy .............. 56
(3)
Meanings of alarm messages ................................................................ 58
(4)
LED Indication on the Outdoor Unit’s P.C.B. Ass’y ................................ 60
(5)
Symptoms and parts to inspect .............................................................. 61
(6)
Procedures When a Specific Component Does Not Work ..................... 71
(7)
Service Functions of Optional Wired Remote Controller ........................ 73
4-2
Checking the Electrical Components ............................................................ 87
(1)
Measurement of Insulation Resistance .................................................. 87
(2)
Checking the Protective Devices............................................................ 88
(3)
Checking the Electrical Parts ................................................................. 89
(4)
Sensor and Solenoid Layout Diagram.................................................... 92
(5)
Thermistor Characteristic Curve............................................................. 94
(6)
P.C.B. Setting ..........................................................................................95
(7)
R.C Address Setting Method .................................................................. 96
(8)
Automatic Address Setting Method ........................................................ 97
(9)
Displaying Indoor / Outdoor Unit Combination Numbers ....................... 97
(10)
Items to Check Prior to Test Run ........................................................... 98
(11)
Test Run.................................................................................................. 99
(12)
P.C.B. and Parts Location .................................................................... 102
(13)
Checking procedure for each PC Board............................................... 104
(14)
Check Pins ............................................................................................105
