Technical data

SED2 Operation & Maintenance Manual
64 Siemens Building Technologies, Inc.
Error Cause Diagnosis/Remedy Reaction
F0051,
Parameter
EEPROM fault
• Read or write failure
while saving non-
volatile parameter
Reset SED2 to factory setting and re-
parameterize
Off2
F0052, Power
stack fault
• Read failure for power
stack information or
invalid data.
Exchange SED2. Off2
F0053, I/O
EEPROM fault
• Read failure for I/O
EEPROM information or
invalid data.
Check the data.
Exchange the I/O module.
Off2
F0054, Wrong
I/O print
• I/O print is not
connected.
• Wrong I/O print is
connected.
• No ID found on I/O
print, no data.
Check data flow.
Exchange I/O module.
Off2
F0060, ASIC
timeout
• Internal communication
error.
If error reappears, exchange SED2.
Contact customer service.
Off2
F0070, CB
setpoint fault
• No setpoints from CB
(communications board)
during telegram off time.
Check communications module (CB)
and communications partner.
Off2
F0071, USS
(BOP link)
setpoint fault
• No setpoints from USS
during telegram off time.
Check communications to data
transmission module.
Check USS master.
Off2
F0072, USS
(COM link)
setpoint fault
• No setpoints from USS
during telegram off time
Check USS master. Off2
F0080, ADC
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 DIN 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