50 REFUsol 08K ... 23K REFU Elektronik GmbH
Error
Code
Text Description Action
A0102 Overtemperature
LT 1
Cooler overtemperature (right)
Check temperature of direct
surroundings and reduce this as
required.
A0103 Overtemperature
LT 2
Interior overtemperature (left)
A0104 Overtemperature
LT 3
Interior overtemperature (right)
A0105 Overtemperature
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
power section exceeded the limits.
residual current > Limit values of
20 mA, 130 mA, 280 mA 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
A011F Parameter error LT
5
Faulty reading or writing process in
power section memory
1.) Switch off device with DC
disconnector.
2.) Wait until the display has turned
off completely.
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