REFU Elektronik GmbH
REFUsol 48K-UL
55
Error
Code
Text
Description
Action
A0102
Overtemperatur
e LT 1
Cooler overtemperature (right)
Check temperature of direct
surroundings and reduce this as
required.
A0103
Overtemperatur
e LT 2
Interior overtemperature (left)
A0104
Overtemperatur
e LT 3
Interior overtemperature (right)
A0105
Overtemperatur
e LT 4
Cooler overtemperature (left)
A0106
Supply voltage
LT
Supply voltage at the power section
is too low.
Please contact Service
A010C PM isolation LT
Power section detects an isolation
error on activation.
Check system isolation. If you
consider the isolation resistance to
be in order, contact Service.
A010E Device fault LT
Power section hardware shutdown
Note: When did the error occur
(precisely: day, kW output, time).
A0114
PM isolation
RCD LT
Residual current measured from the
LT exceeded the limits.
residual current > Limit values of 20
mA, 130mA, 280mA respectively
Please contact Service
A0116
R-detect
0
Do nothing. The inverter will
acknowledge the error
automatically. If problem occurs
repeatedly, contact Service.
A0117
Isolation test
unit
Test isolation test is taking too long.
Please contact Service
A0118
Voltage offset
LT
Offset adjustment values between
power section and control and
regulation unit divergent
A011A Activation LT 1
Voltage booster self-test failed.
Do nothing. The inverter will
acknowledge the error
automatically. If problem occurs
repeatedly, contact Service.
A011B Activation LT 2
DC link voltage drop during activation
A011C Activation LT 3
Target value for balancing is invalid.
A011D Activation LT 4
Balancing has failed.
Please contact Service
A011E Activation LT 5
Voltage booster mailfunction