Troubleshooting / Fault Elimination - Simplex Secos Installation Instructions Operating Instructions

Installation instructions | Operating instructions
Secos - Simplex Energy Control System
12.

Troubleshooting / fault elimination

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