JUMO TYA 202, Operating Manual, Page: 92 / 108

8 Fault messages and alarms
90 2011-07-01/00561073 [SCR Power Controller TYA202]
Supply voltage is
too low Supply voltage is not within specified tol-
erance range
v
Chapter 10.1 „Voltage supply, load
current“
Check nominal voltage of the
device type
v
Chapter 1.3 „Order specifi-
cations“
Supply voltage is
too high Supply voltage is not within specified tol-
erance range
Chapter 10.1 „Voltage supply, load cur-
rent“
Check nominal voltage of the
device type
Chapter 1.3 „Order specifica-
tions“
Temporary
drop in supply Temporary equal proportion for trans-
former loads has been detected.
v
Chapter 5.1.5 „Monitoring“
Ensure stable mains supply.
Master/Slave
rotary field error Counterclockwise rotary field has been
detected
v
Chapter 3.3.1 „Three-phase
economy circuit, Master/
Slave for resistive loads in
star, delta circuit or trans-
former loads (resistive-induc-
tive)“
Master/Slave
incorrectly wired. Wiring fault has been detected
Rotary field detec-
tion
failed Rotary field detection not possible - Check connection
v
Chapter 3.3 „Connection di-
agram“
- Eliminate line disturbances
Wire break
current input Input current for the set measuring range
outside the valid range. - Check wiring for wire breaks
and reverse polarity.
- Check upstream devices
(controllers)
Wire break
voltage input Input current for the set measuring range
outside the valid range. - Check wiring for wire breaks
and reverse polarity.
- Check upstream devices
(controllers)
Malfunction
bus error No connection to the Profibus master Check wiring and master device
(PLC).
Master/Slave
Error in comm. Error in the data transfer between master
and slave Check data connection of patch
cable
Data cable
faulty Communication between master and
slave interrupted Check the patch cables and, if
necessary, replace
Synchronization
failed Slave device switched off or communica-
tion between master and slave interrupt-
ed Check data connection of patch
cable or voltage supply
Error message Cause Remedy