168 Troubleshooting
44640
(0xae6
0)
Control board
temperature
Control board temperature is too
high.
Check
• control board temperature
with parameter 211.05
Control board temperature.
• control cabinet air flow. If
sensor is faulty (aux.
code = 1), change control
board.
44654
(0xae6
e)
Internal SW error Internal memory error detected. Check aux. code and contact
your local FIMER
representative.
44655
(0xae6f
)
Ambient temperature Power derating due to ambient
temperature.
Ambient temperature is too
high.
44656
(0xae7
0)
Overtemperature hw Power module overtemperature. Check aux. code and contact
your local FIMER
representative.
44661
(0xae7
5)
SD card SD card is not operating properly.
Saving power unit diagnostic data
on SD card may not be possible.
Check that SD card is properly
inserted in the control unit or
replace the SD card.
44665
(0xae7
9)
Power fail saving Power fail saving is requested too
frequently. Due to limited saving
interval some of the requests do
not trigger saving and power fail
data might be lost. This might be
caused by DC voltage oscillation.
Check DC voltage stability.
Contact your local FIMER
representative.
44682
(0xae8
a)
User lock is open User lock is open. Activate lock by entering an
invalid pass code with
parameter 196.02 Passcode.
44683
(0xae8
b)
User pass code not
confirmed
User pass code input parameter
"Change user pass code", is not
moved to "Confirm user pass
code" parameter.
Check user lock functionality.
44684
(0xae8
c)
Control unit battery Control unit battery voltage is low.
Real time clock may not preserve
its time.
Replace control unit CR2032
battery.
57600
(0xe10
0)
Cold power section
temperature
The minimum operational power
section temperature is deceeded.
The inverter start may be inhibited.
Wait for the power section
temperature to rise.
Code Warning Cause What to do