S&A CWFL-4000 User Manual page 16

Alarm status
0x0802
（high 16-bit）
Alarm status
0x0803
（low 16-bit）
5. Read/Write Registers(Use only when the external input
function is turned off)
Register address Description
0x0804 Chiller On/Off
Bit7(MSb)
Bit6
Bit5
Bit4
MSByte
Bit3
Bit2
Bit1
Bit0(LSb)
Bit7(MSb)
Bit6
Bit5
Bit4
LSByte
Bit3
Bit2
Bit1
Bit0(LSb)
Bit7(MSb)
Bit6
Bit5
Bit4
MSByte
Bit3
Bit2
Bit1
Bit0(LSb)
LSByte Bit7(MSb)
Range Default
0-1
Retain
Retain
Retain
Retain
Retain
Retain
Retain
Retain
Write administrator
parameter error
Write user parameter error
Ultra-high exhaust temp.
alarm
Exhaust temp. sensor failure
alarm
Ultra-low water temp alarm
Ultra-low conductivity alarm
Ultra-high conductivity alarm
High temp. system water
temp. sensor failure alarm
Low temp. system water
temp. sensor failure
Room temp. sensor failure
Refrigeration system low
pressure
Refrigeration system High
pressure
High temp. water pump
overload
Low temp. water pump
overload
Compressor overload
Wrong phase and lacking
phase
High temp. system ultra-high
water temp
Unit
0：On，1：Off
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16
CWFL-4000 Series
0：Correct 1：Error
0：Correct 1：Error
0：No alarm 1：Alarm
0：No alarm 1：Alarm
0：No alarm 1：Alarm
0：No alarm 1：Alarm
0：No alarm 1：Alarm
0：No alarm 1：Alarm
0：No alarm 1：Alarm
0：No alarm 1：Alarm
0：No alarm 1：Alarm
0：No alarm 1：Alarm
0：No alarm 1：Alarm
0：No alarm 1：Alarm
0：No alarm 1：Alarm
0：No alarm 1：Alarm
0：No alarm 1：Alarm
Remark Symbol
No