Service
Edition: 02
2 - 5
accuSpin
1R
17.11.03 He/Ha
2.3
Error Codes
Error
Indication
Error Cause
Possible Error
Source
Corrective Procedure
Rotor is jammed
Check for easy movement, remove jamming
objects if required
Rotor didn’t turn
Motor is jammed
Replace the motor
Missing speed
signal test:
Turn rotor by
hand, then close
the lid
Faulty plug or lead
connection to speed
detection board
Check plug contacts and leads, measure speed
signal on
XW1/3
, replace defective parts
Faulty processing
circuit
Replace main board
Connections motor to
power electronics
Check plug contacts and leads, replace
defective parts
Motor windings
Replace the motor
“E-00“
message
appears in
speed
display
Motor didn’t start
Driving circuit, FETs
Replace the main board
Bad ground connect.
Emi troubles
Check all ground connections tighten loose
screws
Replace the CPU
“E-02“
message
Program
sequence was
disturbed
Internal program
error
Replace the main board
“E-03“
message
Missing speed
signal
See
“E-00“
See
“E-00“
PT100 sensor,
connecting lines or
plug connection
Resistance test at
ϑ
soll
=20°C:
100
Ω
: -> display: (-1
±
1)°C
120
Ω
: -> display: (50
±
1)°C
“E-04“
message
Faulty measuring
of temperature
values
Defective circuit
Replace the main board
Data lines or
soldering connections
Check lines and soldering points, replace faulty
parts
CPU is defective
CPU exchange
Faulty key board
Replace the main board
„E-06“
message
Data lines to key
board were
disturbed
Faulty main board
Replace the main board
Compressor didn’t
work
Check leads, terminals, start relay, capacitor,
compressor
„E-07“
message
Chamber over-
temperature:
display >50°C
Faulty cooling cycle
refrigerant loss
Search for leakage and close it, evacuate and
refill with new refrigerant
Defective leads or
brake resistor
Check leads and brake resistor, replace
defective parts
„E-08“
message
Over-voltage of
intermediate
circuit
Driving and/or
braking circuits
Replace the main board
„E-10“
message
NV-RAM is not
initialised
Initialising of NV-
RAM is not valid
check NV-RAM and socket, insert the correct
NV-RAM
„E-11“
message
NV-RAM is
faulty
no data transfer from
NV-RAM to CPU
replace the NV-RAM
„E-12“
message
faulty temp.
measuring
frequency of U/F
converter out of limit
check sensor (see E-04) replace the main board
„E-15“
message
checksum error
NV-RAM is wrong or
defective
replace NV-Ram and insert correctly into socket
„E-16“
message
program
interruption
CPU disturbed or
defective
replace CPU and /or eliminate disturbance
Lid is blocked or
jammed
Press lid centrally in front down again, re-adjust if
necessary
Defective micro
switch or lid lock
Replace lid lock device
„E-17“
message,
lid didn’t
open
Micro switch
does not open
after pressing lid
Faulty driving circuit
Replace the main board
