Maintenance
74
106
Excessive high exhaust
temperature 1_2
The fault will automatically reset when the compressor’s
exhaust temperature
≥
110°C for 3s and when all the
exhaust temperatures within the circuit drop to 70°C
Circuit’s
emergency stop
Automatically; If it occurs for
three times within 1 hour, the
circuit will be locked
107
Excessive high exhaust
temperature 2_1
The fault will automatically reset when the compressor’s
exhaust temperature
≥
110°C for 3s and when all the
exhaust temperatures within the circuit drop to 70°C
Circuit’s
emergency stop
Automatically; If it occurs for
three times within 1 hour, the
circuit will be locked
108
Excessive high exhaust
temperature 2_2
The fault will automatically reset when the compressor’s
exhaust temperature
≥
110°C for 3s and when all the
exhaust temperatures within the circuit drop to 70°C
Circuit’s
emergency stop
Automatically; If it occurs for
three times within 1 hour, the
circuit will be locked
109
Exhaust high exhaust
temperature deviation 1
When the two parallel compressors within the same
circuit are in operation, and after they operate for 180s, if
it continuously detects the condition that the
ABS(Tdis1-Tdis2)>20°C for 10s.
Circuit’s
emergency stop
Power-Fault reset,
110
Exhaust high exhaust
temperature deviation 2
When the two parallel compressors within the same
circuit are in operation, and after they operate for 180s, if
it continuously detects the condition that the
ABS(Tdis1-Tdis2)>20°C for 10s.
Circuit’s
emergency stop
Discharge reset
111
Low suction gas superheat 1
After the circuit is started (the start for the first
compressor) for 15s, if the suction gas superheat of the
circuit is lower than 1°C for 30s,
Circuit’s
emergency stop
Automatically; If it occurs for
three times within 1 hour, the
circuit will be locked
112
Low suction gas superheat 2
After the circuit is started (the start for the first
compressor) for 15s, if the suction gas superheat of the
circuit is lower than 1°C for 30s,
Circuit’s
emergency stop
Automatically; If it occurs for
three times within 1 hour, the
circuit will be locked
113
Low exhaust superheat 1_1
After the compressor is started for 60s, the corresponding
exhaust superheat degree is lower than 5°C for 180
seconds,
Circuit’s
emergency stop
Automatically; If it occurs for
three times within 1 hour, the
circuit will be locked
114
Low exhaust superheat 1_2
After the compressor is started for 60s, the corresponding
exhaust superheat degree is lower than 5°C for 180
seconds,
Circuit’s
emergency stop
Automatically; If it occurs for
three times within 1 hour, the
circuit will be locked
115
Low exhaust superheat 2_1
After the compressor is started for 60s, the corresponding
exhaust superheat degree is lower than 5°C for 180
seconds,
Circuit’s
emergency stop
Automatically; If it occurs for
three times within 1 hour, the
circuit will be locked
116
Low exhaust superheat 2_2
After the compressor is started for 60s, the corresponding
exhaust superheat degree is lower than 5°C for 180
seconds,
Circuit’s
emergency stop
Automatically; If it occurs for
three times within 1 hour, the
circuit will be locked
117
Excessive low heating module’s
cooling outflow water
temperature
Under unit’s heating/heat recovery mode, after the
module is powered on for 3 minutes, if module’s cooling
outflow water temperature
≤
10°C
Module shutdown
Automatically; If it occurs for
three times within 1 hour, the
circuit will be locked
System-level fault
Code Description
Fault judgment
Fault’s shutdown
mode
Reset mode
0
Fault-free
81
Communicate
fault with
HMI
If the HMI is
continuously
disconnected with the
main machine for 60
seconds
Main machine’s
emergency stop
Automatically; If it occurs for three times within 1 hour, the circuit will be locked
82
Water
temperature
sensor fault of
the controlled
system
If the detected
temperature exceeds
the selected
temperature range
(-30~70°C) for 5s
Main machine’s
emergency stop
Manual operation
83
System’s
chilled water
flow fault
If there is continuous
broken circuit for 2s
Main machine’s
emergency stop
Automatically; If it occurs for three times within 1 hour, the circuit will be locked
84
System’s
cooling water
flow fault
If there is continuous
broken circuit for 2s
Main machine’s
emergency stop
Automatically; If it occurs for three times within 1 hour, the circuit will be locked
85
External
interlock Fault
If there is continuous
broken circuit for 2s
Main machine’s
emergency stop
Manual operation
86
Operation
time limit
protection
The unit’s operation
time limit protection is
enabled, and if the
unit’s operation time
reaches the set value
Main machine will
shutdown
Manual operation
Cooke Industries - Phone: +64 9 579 2185 Email: [email protected] Web: www.cookeindustries.co.nz