Specifications

SED2 VFD Startup, Operation, and Maintenance Manual
90 Siemens Building Technologies, Inc.
Error Cause Diagnosis/Remedy
Drive
Reaction
F0080,
Analog input
signal lost
• Broken wire at analog
input.
• Signal level outside
defined limits.
— Off2
F0085,
External fault
External fault triggered via
input terminals.
• Disable input terminals for fault
trigger, or eliminate external fault.
• Check if digital input is set to ON.
Off2
F0101, Stack
overflow
Software or processor error.
Run self-test routines. Off2
F0221, PID
feedback
below min.
value
PID feedback below
minimum value of P2268,
minimum value for PID
feedback.
• Change value of P2268.
• Adjust feedback amplification.
Off2
F0222 PID feedback above
maximum value.
• PID feedback, maximum value of
P2267 (maximum value for PID
feedback).
• Adjust feedback amplification.
Off2
F0450, BIST
tests failure
Alarm value:
1. Some power section
tests have failed.
2. Some control module
tests have failed.
4. Some functional tests
have failed.
8. Some I/O module tests
have failed.
16. Internal RAM failed on
power-up check.
• SED2 may run, but some
functions do not work properly.
• Replace the SED2.
Off2