EN
34
Secos - Simplex Energy Control System
12. Troubleshooting / fault elimination
Display
in the
app
Display
on the
control
unit
Display
on the
actuator
Problem
Possible causes
Corrective actions
Code Message Signal
Signal
0
-
Actuator is not
moving in circuit
[heating circuit
number]
- Actuator defective
- Motor wiring defective
- System Bus wiring defective
- Valve too stiff or blocked
- Call customer service
- Check valve for smooth running
- Replace actuator
1
-
Return line
temperature not
measurable in circuit
[heating circuit
number]
- Multi-sensor not connected
- Sensor defective
- Wiring defective
- Call customer service
- Replace multi-sensor
- Check wiring
2
-
Flow rate not
measurable in circuit
[heating circuit
number]
- Multi-sensor not connected
- Sensor defective
- Wiring defective
- Call customer service
- Replace multi-sensor
- Check wiring
3
-
Condensation
detected
- Value has fallen below dew point
- Condensation monitor has
detected condensate formation
and triggered alarm
- Supply line temperature in cooling
mode too low
- Wait until condensation
evaporates- Increase supply line
temperature in cooling mode
- Contact customer service
if necessary
4
-
No flow with open
valves
- Pump is not running
- Primary ball valves closed
- Ceramic valves in supply line closed
- Air in system
- Flow externally blocked
- Call customer service
- Check valve positions /
settings on the heat source
- Vent / flush the system
5
-
Supply line
temperature exceeded
- Maximum permitted supply line
temperature exceeded
- Check settings on the heat
generator
6
-
Supply line
temperature 999 °C
- Supply line temperature sensor
not connected or defective
(interruption)
- Wiring defective
- Call customer service
- Check wiring
- Replace supply line
temperature sensor
7
-
Supply line
temperature has
fallen below minimum
permissible level
During cooling operation:
Cold source too low
- Check settings on the heat
generator / cold source
8
-
Supply line
temperature 000 °C
- Supply line temperature sensor
defective (short circuit)
- Wiring defective
- Call customer service
- Check wiring
- Replace supply line temperature
sensor
9
-
Actuators not
recognized
- Actuator not connected
- Wiring defective
- Check actuators for correct
seating
- Check wiring
- Contact customer service
if necessary
Secos
- Simplex Energy Control System
Installation instructions
|
Operating instructions
