Diagnostics
19
RLC-SVU02F-E4
Default description
Displayed Code
Type
Description
Fault 1AA
EXV Elec Drtive Ckt - Rfgt Ckt 2 :
CMR
1) EXV wiring
2) Defective UCM
3) Defective EXV
4) Defective EXV relay
Fault 1Ad
Memory Error Type I :
IFW
Fault 1AE
Low Differential Pressure - Ckt 1 :
CMR
- Delta P< 2,8bar during more than 2 min.
Fault 1AF
Low Differential pressure - Ckt 2 :
CMR
- Delta P< 2,8bar during more than 2 min.
Fault 1b2
Severe Phase Unbalance - Cprsr A :
CMR
Fault 1b3
Severe Phase Unbalance - Cprsr B :
CMR
Fault 1b4
Severe Phase Unbalance - Cprsr C :
CMR
Fault 1b5
Severe Phase Unbalance - Cprsr D :
CMR
Fault 1b6
Compressor Overload Setting - Cprsr A :
IFW
- Check setting of compressor overload
Fault 1b7
Compressor Overload Setting - Cprsr B :
IFW
- Check setting of compressor overload
Fault 1b8
Compressor Overload Setting - Cprsr C :
IFW
- Check setting of compressor overload
Fault 1b9
Compressor Overload Setting - Cprsr D :
IFW
- Check setting of compressor overload
Fault 1bA
Phase Unbalance - Cprsr A :
CMR
- Phase imbalance >15%
Fault 1bb
Phase Unbalance - Cprsr B :
CMR
- Phase imbalance >15%
Fault 1bC
Phase Unbalance - Cprsr C :
CMR
- Phase imbalance >15%
Fault 1bd
Phase Unbalance - Cprsr D :
CMR
- Phase imbalance >15%
Fault 1bE
Winding Temp - Cprsr A :
CMR
- Winding temperature > 105°C
Fault 1bF
Winding Temp - Cprsr B :
CMR
- Winding temperature > 105°C
Fault 1C0
Winding Temp - Cprsr C :
CMR
- Winding temperature > 105°C
Fault 1C1
Winding Temp - Cprsr D :
CMR
- Winding temperature > 105°C
Fault 1C6
High Differential Pressure - Ckt 1 :
CMR
- LB/HP pressure differential > 24,5 bar
Fault 1C7
High Differential Pressure - Ckt 2 :
CMR
- LB/HP pressure differential > 24,5 bar
Fault 1d1
Memory Error Type II :
IFW
- RAM error
Fault 1d2
Memory Error Type III :
IFW
- RAM error
Fault 1d3
Cprsr Suction Temp Sensor - Ckt 1 :
CMR
- Defective sensor
Fault 1d4
Cprsr Suction Temp Sensor - Ckt 2 :
CMR
- Defective sensor
Fault 1d7
Phase Reversal Prot Lost - Cprsr A :
CMR
- Phase reversal protection not operative
Fault 1d8
Phase Reversal Prot Lost - Cprsr B :
CMR
- Phase reversal protection not operative
Fault 1d9
Phase Reversal Prot Lost - Cprsr C :
CMR
- Phase reversal protection not operative
Fault 1dA
Phase Reversal Prot Lost - Cprsr D :
CMR
- Phase reversal protection not operative
Fault 1db
Slaved EXV Elec Drive Ckt - Rfgt Ckt 1 :
CMR
- EXV electric drive defective
Fault 1dC
Slaved EXV Elec Drive Ckt - Rfgt Ckt 2 :
CMR
- EXV electric drive defective
Fault 1dd
High Oil Temp - Cprsr A :
CMR
- Oil temperature > 77°C
- Phase imbalance >30%, check current transformer
and unit power supply
- Phase imbalance >30%, check current transformer
and unit power supply
- Phase imbalance >30%, check current transformer
and unit power supply
- Phase imbalance >30%, check current transformer
and unit power supply
- NOVRAM problem, unit is placed on default
setting operating
