CCS3100
19
User Manual R0.2
Low Frequency Fault (Freq Low Alarm)
Fault Definition:
Indicates that the 3 Phase Frequency connected to the terminals “25
-24-
23”,
which are defined as
“R
-S-
T” is lower than the value entered to the “P147
Mains Frequency Low Alarm
” parameter. It is a malfunction that
stops the compressor rapidly.
Possible Causes and required actions:
There may be a decrease in the frequency of mains voltage. The value that is
entered to the parameter may have been wrong for the application.
Phase Sequence / Unbalance Error (Phase Unbalance)
Fault Definition:
Indicates that the sequence of 3 Phase Frequency connected to the terminals “25
-24-
23”, whi
ch are
defined as “R
-S-
T”, is not suitable for the device or is unbalanced. It is a malfunction that stops the compressor
rapidly.
Possible Causes and required actions:
There may be a problem with the mains connections. The value of the "P142
Unbalance%" parameter may not be suitable for the system. If the phase sequence / unbalance control is not
needed, the parameter "P152 PhaseSequence Protect" must be set as "0" (passive).
1.6.3 Functional Faults
Service Time (Service Level 1, 2, 3, 4, 5)
Time remaining for
service - Hours
Event
Occurrence Period -
Hours
Service
Level 1
[100 : 0)
Warning Can be reset
100
Service
Level 2
[0 : -100)
Error
Can be reset; press and hold ESC
for 10 sec
100
Service
Level 3
[-100 : -200)
Error
Can be reset; press and hold ESC
for 10 sec
20
Service
Level 4
[-200 : -300)
Error
Can be reset; press and hold ESC
for 10 sec
10
Service
Level 5
[-300 : ...)
Error
Cannot be reset; Service times
should be refreshed
---
Maximum Start Per Hour error (Maximum Startup)
