4. Service procedures
1
2
3
4
5
IV - 1
SM830080
4. SERVICE PROCEDURES
4-1
Troubleshooting ...................................................................................... IV - 2
(1)
Check before and after Troubleshooting .......................................... IV - 3
(2)
General Troubleshooting Flow Chart: Diagnosis and Remedy ........ IV - 5
(3)
Meanings of alarm messages .......................................................... IV - 7
(4)
LED Indication on the Outdoor Unit’s P.C.B. Ass’y .......................... IV - 9
(5)
Symptoms and parts to inspect........................................................ IV - 10
(6)
Procedures When a Specific Component Does Not Work ............... IV - 20
(7)
Service Functions of Remote Controller .......................................... IV - 22
4-2
Checking the Electrical Components ...................................................... IV - 36
(1)
Measurement of Insulation Resistance ............................................ IV - 36
(2)
Measurement of Insulation Resistance for Electrical parts .............. IV - 37
(3)
Checking the Protective Devices ..................................................... IV - 38
(4)
Checking the Electrical Parts ........................................................... IV - 39
(5)
Sensor and Solenoid Layout Diagram ............................................. IV - 42
(6)
Thermistor Characteristic Curve ...................................................... IV - 47
(7)
P.C.B. Setting .................................................................................. IV - 48
(8)
R.C Address Setting Method ........................................................... IV - 49
(9)
Automatic Address Setting Method .................................................. IV - 50
(10)
Displaying Indoor / Outdoor Unit Combination Numbers ................. IV - 50
(11)
Items to Check Prior to Test Run ..................................................... IV - 51
(12)
Test Run Procedure ......................................................................... IV - 52