SMC Networks HRS012-A-10 Series Service Manual page 4

HRX-MM-N007
Contents
AL09: Circulating fluid discharge pressure drop .......................................................................... 3-45
AL10: High compressor intake temp. ........................................................................................... 3-46
AL11: Low compressor intake temp. ............................................................................................ 3-48
AL12: Low super heat temperature .............................................................................................. 3-51
AL13: High compressor discharge pressure [For air-cooled type] ............................................... 3-56
AL13: High compressor discharge pressure [For water-cooled type] .......................................... 3-64
AL15: Refrigerant circuit pressure (high pressure side) drop ...................................................... 3-71
AL16: Refrigerant circuit pressure (low pressure side) rise ......................................................... 3-76
AL17: Refrigerant circuit pressure (low pressure side) drop ........................................................ 3-80
AL18: Compressor overload [For air-cooled type] ....................................................................... 3-85
AL18: Compressor overload [For water-cooled type]................................................................... 3-90
AL19: Communication error ......................................................................................................... 3-95
AL20: Memory error ..................................................................................................................... 3-95
AL21: DC line fuse cut .................................................................................................................. 3-96
AL22: Circulating fluid discharge temp. sensor failure ................................................................. 3-96
AL23: Circulating fluid return temp. sensor failure ....................................................................... 3-98
AL24: Compressor intake temp. sensor failure .......................................................................... 3-100
AL25: Circulating fluid discharge pressure sensor failure .......................................................... 3-103
AL26: Compressor discharge pressure sensor failure ............................................................... 3-105
AL27: Compressor intake pressure sensor failure ..................................................................... 3-107
AL28: Maintenance of pump ...................................................................................................... 3-109
AL29: Maintenance of fan motor [For air-cooled type] ............................................................... 3-109
AL30: Maintenance of compressor............................................................................................. 3-109
AL31: Contact input1 signal detection ........................................................................................ 3-110
AL32: Contact input 2 signal detection ....................................................................................... 3-110
AL33: Water leakage .................................................................................................................. 3-111
AL34: Electric resistivity/conductivity rise ................................................................................... 3-112
AL35: Electric resistivity/conductivity drop ................................................................................. 3-112
AL36: DI sensor error ................................................................................................................. 3-113
3.3.5 Troubleshooting of errors without alarm generation ......................................................... 3-114
The circulating fluid temperature does not go down .................................................................. 3-114
The circulating fluid temperature does not go up ....................................................................... 3-114
The operation panel displays nothing......................................................................................... 3-114
Impossible to operate the Thermo-Chiller with the "RUN/STOP" key on the operation panel ... 3-116
Lights on the operation panel or display(s) on the digital display does not operate .................. 3-116
The alarm buzzer does not sound .............................................................................................. 3-117
Facility water does not flow (for water-cooled type) ................................................................... 3-117
Automatic water fill does not operate (for Option J "Automatic water fill specification") ............ 3-118
Chapter 4 Service Procedure ........................................................... 4-1
HRS Series