May be due to
Description existing alarm
Alarm text on the dis-
play
Alarms
S-series
Alarms
VVM/SMO
(JÄSPI In-
verter Nor-
dic)
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
331
443 (126)
Defective inverter.
Disruption in supply voltage.
The inverter detects a temporary
fault within 10 seconds after com-
pressor start, 5 times in a row.
Inverter protection
332
445 (128)
Defective compressor.
Disruption in supply voltage.
Compressor phase is missing, 3 times
within 2 hours or continuously for 1
minute.
Phase failure
333
447 (130)
Incorrectly connected com-
pressor cable.
Defective inverter.
Compressor does not start when re-
quired, 3 times within 2 hours.
Failed compressor starts
334
449 (132)
Defective compressor.
Disruption in supply voltage.
The output current from the inverter
to the compressor has been tempor-
arily too high 3 times within 2 hours
or continuously for 1 hour.
High current load, com-
pressor
336
453 (136)
Poor heating medium flow.
Defective compressor.
Disruption in supply voltage.
The power output from the inverter
has been too high 3 times within 2
hours or continuously for 1 hour.
High power load, com-
pressor
337
455 (138)
Poor heating medium flow.
Defective compressor.
Fault in pressure sensor BP8,
BP9.
The pressure difference between BP9
and BP8 has been too low at com-
pressor start 3 times within 30
minutes.
Failed start, no pressure
diff.
353
501 (184)
The compressor does not
compress the refrigerant suf-
ficiently.
Compressor breakdown.
The inverter’s safety function
reduces the speed outside of
the compressor’s working
range.
Compressor speed below lowest
permitted speed.
Compressor speed too
low
354
503 (186)
39
Chapter 9 |
Disturbances in comfort
JÄSPI Inverter Nordic
Summary of Contents for Inverter Nordic 8
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