JUMO TYA S202, Operating Manual, Page: 83 / 99

V1.00/EN/00709725 [Thyristor power controller TYA S202] 83
8 Error messages and alarms
Cyclical
appearance The symbols for input, subordinate control loop, and operating mode are dis-
played alternately in the info line together with error messages or information
about special statuses.
v
Chapter 4.1.2 "Darstellung von Messwerten"
Examples
The following alarms are limits entered by the users themselves that are intend-
ed to monitor the process:
The following error messages are detected separately in the master and slave:
Alarms Cause Remedy
Master: Limit val.Min-
Val reached The value has fallen below the selected limit
value for the min. alarm at the master or slave Check why the value has fallen be-
low the limit value
Slave: Limit val. Min-
Val reached
Master: Limit val.
MaxVal reached The value has fallen below the selected limit
value for the max. alarm at the master or
slave. Check why the limit value has been
exceeded
Slave: Limit val. Max-
Val reached
Error message Cause Remedy
Master: Fault at con-
nected load Break or short-circuit of a load resistor.
v
Chapter 6.1 "Erkennung von Lastfe-
hlern"
Replace defective heating ele-
ments.
Slave: fault at
connected load
Master: Fault,
fuse failure
-------------------------
Salve: Malfunction
Blown fuse
(red LED fuse is lit) 1. Semiconductor fuse defective; the red
Fuse LED is lit accordingly.
v
Chapter 8.2 "Replacing a de-
fective semiconductor fuse"
2. No voltage at terminal U1; the red Fuse
LED is lit accordingly - Check wiring
- Check the wire fuse for the
load circuit
3. The voltage supply for the control electron-
ics L1/N does not have the same phase as
the load circuit U1/U2 in the master, slave
power controller. Check wiring
4. Thyristor in the master power controller de-
fective (only with three-phase economy cir-
cuit where nominal voltage < 230 V) The device must be returned to
JUMO for repair.
h
Return the device