JUMO TYA S201, Operating Manual, Page: 77 / 92

V1.00/EN/00709718 [Thyristor power switch TYA S201] 77
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
During monitoring of the process, the following alarms are triggered for the mon-
itoring of limit values entered by the user:
Error message Cause Remedy
Limit value monit.
MinVal reached The value has dropped below the set limit
value for the min. alarm -
Limit value monit.
MaxVal reached The set limit value for the max. alarm has
been exceeded -
Other fault messages in the device:
Fault at connected
load Break or short-circuit of a load resistance.
v
Chapter 6 "Besondere Gerätefunk-
tionen"
Replace defective heating ele-
ments.
Malfunction
Blown fuse
(red LED fuse is lit) 1. Semiconductor fuse defective
v
Chapter 8.2 "Replacing a defec-
tive semiconductor fuse"
2. No voltage at terminal U1 - Check wiring
- Check the wire fuse for the load
circuit
3. The voltage supply for the control elec-
tronics L1/N does not have the same phas-
ing as the load circuit U1/U2. Check wiring
Malfunction
thyristor breakage Thyristor defective The device must be returned to JUMO
for repair.
h
Return the device
Thyristor
short circuit Thyristor defective
Note:
Monitoring only works when the load resis-
tance is so low that at least 10 % of the pow-
er controller nominal current is flowing. The device must be returned to JUMO
for repair.
h
Return the device
Caution!
High temperature Device temperature is higher than 100 °C
(Excess temperature) - Ensure adequate ventilation or
provide for additional cooling
- Reduce load current
- Use power controller with higher
maximum load current