SiENBE04-512A
Troubleshooting
Service Diagnosis
103
4.3
Freeze-up Protection Control or High Pressure Control
Remote Control
Display
A5
Method of
Malfunction
Detection
High pressure control (heat pump model only)
During heating operations, the temperature detected by the indoor heat exchanger
thermistor is used for the high pressure control (stop, outdoor fan stop, etc.)
Freeze-up protection control (operation halt) is activated during cooling operation according
to the temperature detected by the indoor unit heat exchanger thermistor.
Malfunction
Decision
Conditions
High pressure control
During heating operations, the temperature detected by the indoor heat exchanger
thermistor is above 65°C
Freeze-up protection
When the indoor unit heat exchanger temperature is below 0°C during cooling operation.
Supposed
Causes
Operation halt due to clogged air filter of the indoor unit.
Operation halt due to dust accumulation on the indoor unit heat exchanger.
Operation halt due to short-circuit.
Detection error due to faulty indoor unit heat exchanger thermistor.
Detection error due to faulty indoor unit PCB.
SiENBE04-512A.book Page 103 Friday, October 5, 2007 1:49 PM
Содержание FTKS20CVMB(9)
Страница 1: ...SiENBE04 512A Service Manual Inverter Pair Wall Mounted Type C Series D Series...
Страница 17: ...List of Functions SiENBE04 512A 8 List of Functions...
Страница 18: ...SiENBE04 512A Specifications 9 Part 2 Specifications 1 Specifications 10 1 1 Cooling Only 10 1 2 Heat Pump 16...
Страница 37: ...Specifications SiENBE04 512A 28 Specifications...
Страница 73: ...Control Specification SiENBE04 512A 64 Function and Control...
Страница 103: ...Instruction SiENBE04 512A 94 System Configuration...
Страница 147: ...Check SiENBE04 512A 138 Service Diagnosis...
Страница 225: ...Outdoor Unit RK X H C ARK X H C R Y N C SiENBE04 512A 216 Removal Procedure...
Страница 226: ...SiENBE04 512A Others 217 Part 8 Others 1 Others 218 1 1 Test Run from the Remote Control 218 1 2 Jumper Settings 219...
Страница 229: ...Others SiENBE04 512A 220 Others...
Страница 241: ...Wiring Diagrams SiENBE04 512A 232 Appendix...
Страница 245: ...SiENBE04 512A iv Index wiring diagrams 229...