11 ALARM
LIST OF ALARMS
Alarm code
1
Memory write error
2
Water Input Probe Broken or Disconnected
3
Water Output Probe Broken or Disconnected
4
Outside Air Probe Broken or Disconnected
5
Battery Probe Broken or Disconnected
6
Discharge Probe Broken or Disconnected
7
Intake Probe Broken or Disconnected
8
AP Transducer Broken or Disconnected
9
BP Transducer Broken or Disconnected
10
Super-heating alarm low (EVD)
11
LOP Alarm (EVD)
12
MOP Alarm (EVD)
13
Condensation Temperature Alarm (EVD)
14
Intake Low Temperature Alarm (EVD)
15
Valve alarm (EVD)
16
Valve Auto-Tuning (EVD)
17
Emergency Valve Closure (EVD)
18
Range Error Alarm (EVD)
19
Pin Out of Limit Value Valve Alarm
20
Flow switch alarm
21
Anti-freeze alarm
22
Pump Magneto-Thermal Alarm
23
Low pressure alarm
24
High pressure alarm
25
Serious Low Pressure Alarm
26
Fan Magneto-Thermal Alarm
27
High discharge gas temperature
28
Faulty cycle inversion valve: Low deltaP. The reverse cycle valve could be faulty or blocked.
29
Delta P higher than allowed at start up (default = 20bar). Does not cause machine block.
30
ForceOff Compressor
31
Operating Limit Time Exceeded Alarm
32
Compressor start-up failed. Does not cause machine block.
33
Pressure differential lower than specified value (0.3 bar in 60sec)
34
Overcurrent
35
Compressor motor overload
36
DC BUS over-voltage
37
DC BUS under-voltage
38
Drive overheating
39
Drive underheating
40
Hardware over-current
41
Compressor overheating
42
IGBT module error – Internal fault. Replace Inverter.
43
CPU error
44
Default parameters
45
DC bus ripple. Check phase voltages powering the inverter.
46
No communication between inverter and uPC3
47
Drive temperature sensor fault
48
Self-configuration failed
49
Inverter drive not enabled. Check bridges on Power Plus Inverter terminal strip.
50
Motor phases error
51
Cooling fan Inverter faulty
52
Speed fault. Compressor stalled. Check type of compressor set.
53
PFC fault (alarm occurs with PFC enabled while DC bus is very low)
54
PFC overload trip (this alarm will no longer be included in new versions of the firmware)
55
Input voltage error (when power supply falls below 170 V with the motor running)
56
STO 1 error
57
STO 2 error
58
Ground/Earth connection fault (only for single-phase)
59
Internal error 1 (ADC conversion sync fault)
60
Internal error 2 (Hw sync fault)
61
Inverter drive overload
62
uC safety Drive Stopped
63
99:Inverter unexpected stop
64
Inverter offline
65
01:Inverter uSafety current measurement fault
66
02:Inverter uSafety current unbalanced fault
67
03:Inverter uSafety over current
68
04:Inverter uSafety STO alarm
69
05:Inverter uSafety STO hardware alarm
26
Description
Maximum number of
Reset
trips
Manual
2
Manual
2
Manual
2
Manual
2
Manual
2