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Problem Solutions and Tips
Message
CRITICAL_TEMP#
TEMP_SEN#_FAIL
RED_PSU#_FAIL
PS_RED_LOST
PS_UNIT#_FAIL
PS_OVERLOAD
INTRUSION_DETECT
#_TOO_LOW
#_TOO_HIGH
AC_FAIL
POWER_OK
NO_TRANSLATION
Table 3: Messages on the LCD Panel
U41271-J-Z156-2-76
Error Messages on the Control Panel
Cause
Temperature warning
limit achieved.
Temperature sensor
no. # defective.
Redundant power
supply unit no. # has
failed; no power supply
unit redundancy more
given.
Loss of the power
supply unit redundancy
due to increased power
requirement and/or
failure of a redundant
power supply unit.
Non redundant power
supply unit no. # has
failed.
Power supply unit
overloading.
Front door was opened. Close the door.
Voltage # to low.
Voltage # to high.
Power failure occurred. Check the fuses and the
All voltages reached
the should-be value.
Unknown error code
occurred (no translation
is available).
Reaction
System turns off automati-
cally from safety reasons.
Contact our service organi-
zation.
Exchange the power
supply unit.
Install a supplementary
power supply unit and/or
exchange the defective
power supply unit.
Exchange the power
supply unit.
Contact our service organi-
zation and/or install a
supplementary power
supply unit.
Contact our Service
organization.
Contact our Service
organization.
power cable.
No error; this message
only serves as information.
Contact our Service
organization.
69
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