May be due to
Description existing alarm
Alarm text on the dis-
play
Alarms
S-series
Alarms
VVM/SMO
(JÄSPI In-
verter Nor-
dic)
Lack of refrigerant.
5 repeated low pressure alarm within
4 hours.
Recurring low pressure
294
344 (72)
Blocked expansion valve.
Disruption in the refrigerant
circuit.
Clogged particle filter, air or
stoppage in the heating me-
dium flow.
5 repeated high pressure alarm
within 4 hours.
Recurring high pressure
295
346 (74)
Poor system pressure.
The inverter is not compatible
Initiation fault, inverter.
Unspecified faults
314
400 (207)
The inverter is not compatible
400 (209)
Configuration file missing.
400 (211)
Charge error configuration.
400 (213)
Communication with AA2-
X20 interrupted.
3 repeated communication faults
within 2 hours or continuously for 1
hours.
Comm. fault to inverter
319
421 (104)
Poor connection between
PCB and inverter.
Poor heating medium flow.
2 repeated LP/HP/FQ alarms within
2.5 hours.
Persistent pressure switch
or over-temperature
alarm.
322
425 (108)
Lack of refrigerant.
For FQ14, the following ap-
plies: High temperature
120 °C compressor peak.
Disruption in supply voltage.
Temporary fault in inverter, 2 times
within 60 minutes.
Safety stop, inverter
323
427 (110)
Disruption in supply voltage.
Temporary fault in inverter, 3 times
within 2 hours.
Safety stop, inverter
324
429 (112)
Disruption in supply voltage.
Phase voltage to inverter too high, 3
times within 3 hours or persistent for
1 hour.
High mains voltage
325
431 (114)
Low supply voltage or phase
loss.
Phase voltage to inverter too low, 3
times within 3 hours or continuously
for 1 hour.
Low mains voltage
326
433 (116)
Phase loss for phase L2.
Phase L2 has been missing 3 times
within 3 hours or continuously for 1
hour.
Phase missing
327
435 (118)
Disruption in supply voltage.
Temporary fault in inverter, 3 times
within 2 hours or continuously for 1
hour.
Mains disturbance
328
437 (120)
Incorrect connection in the
inverter’s terminal block X1.
Poor cooling of inverter.
The inverter has temporarily reached
max working temperature, due to
poor cooling 3 times within 2 hours
or continuously for 1 hour.
Overheated inverter
329
439 (122)
Defective inverter.
Too high current to inverter.
Current to inverter too high, 3 times
within 2 hours or continuously for 1
hour.
Current too high
330
441 (124)
Low supply voltage.
JÄSPI Inverter Nordic
Chapter 9 |
Disturbances in comfort
38
Summary of Contents for Inverter Nordic 8
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