III. Service Diagnosis ........................................................................................................... 25
A. Alarm Signals .............................................................................................................. 25
B. Service Chart .............................................................................................................. 33
1. No Operation .......................................................................................................... 33
2. Cabinet Cooling ..................................................................................................... 34
3. Rail Cooling ........................................................................................................... 36
4. Cabinet Defrost ..................................................................................................... 37
5. Other ...................................................................................................................... 38
1. Refrigerant Recovery ............................................................................................. 39
2. Brazing .................................................................................................................. 40
1. Cabinet Thermistor ................................................................................................. 52
2. Defrost Thermistor ................................................................................................. 52
3. Defrost Thermostat ................................................................................................ 53
4. Rail Thermistor ...................................................................................................... 53
1. Cabinet Fan Motor .................................................................................................. 55
2. Condenser Fan Motor ............................................................................................ 56
3. Rail Fan Motor ....................................................................................................... 56
A. Cleaning ...................................................................................................................... 58
1. Work Surface .......................................................................................................... 58
2. Rail and Rail Cover ................................................................................................ 59
3. Exterior .................................................................................................................. 59
4. Cabinet Interior ...................................................................................................... 59
4