10.3. Fault Memory; 10.4. Further Steps For Troubleshooting; Appendix; 11.1. System Impedance Tables - salmson Easy Control MS-L 2x4kW Instalacion Y Puesta En Servicio

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LED flashes red
Cause: Rated current below 300 mA during operation or
phase L2 missing
Solution: Check mains connection of switchgear and
pump connection
LED lights up red
Cause: Winding temperature monitoring has been trig-
gered
Solution: Check pump and wiring (converter bridge may
be missing); check pump operating conditions
LED lights up red Cause: High-water alarm has been triggered.
Solution: Check pump/unit operating conditions and
level settings
All LEDs light up simultaneously for 2 sec.
Cause: Button lock active
Solution: Deactivate the button lock by simultaneously
pressing down the Manual Mode, Stop and Automatic
Mode buttons (for approx. 1 s).
All LEDs light up from right to left.
Cause: Incorrect phase sequence in mains connection
Solution: Swap over 2 phases in the switchgear's mains
connection

10.3. Fault memory

The switchgear has a fault memory. The last fault is stored reten-
tively in the fault memory.
Opening the fault memory
By pressing down the Stop and Automatic Mode buttons
simultaneously, the last fault is indicated by the corre-
sponding LED.
P
1 Deleting the fault memory
The fault memory is deleted by simultaneously pressing
and holding down (for approx. 1 s) the pump 1 Manual
Mode and Stop buttons.

10.4. Further steps for troubleshooting

If the points listed here do not rectify the fault, contact Salmson
Customer Service. They can help you as follows:
• Telephone or written support from Salmson Customer
Service
• On-site support from Salmson Customer Service
• Inspection or repair of the switchgear at the factory
Please note that you may be charged for some services provided
by our Customer Service. For more details, please contact Salmson
Customer Service.
11.

Appendix

11.1. System impedance tables

System impedances for 1~230 V, 2-pole, direct starting
Power System impedance
kW
1.5
2.2
1.5
2.2
1.5
2.2
System impedances for 3~400 V, 2-pole, direct starting
Power System impedance
kW
2.2
3.0
4.0
2.2
3.0
4.0
2.2
3.0
4.0
System impedances for 3~400 V, 4-pole, direct starting
Power System impedance
kW
3.0
4.0
2.2
3.0
4.0
2.2
3.0
4.0

11.2. Spare parts

Spare parts can be ordered from Salmson Customer Service. To
avoid return queries and incorrect orders, the serial and/or article
number must always be supplied.
Subject to change without prior notice
38
Connections/h
ohms
0.4180
0.2790
0.3020
0.1650
0.2720
0.1480
Connections/h
ohms
0.2788
0.2000
0.1559
0.2126
0.1292
0.0889
0.1915
0.1164
0.0801
Connections/h
ohms
0.2090
0.1480
0.2330
0.1380
0.0830
0.2100
0.1240
0.0740
6
6
24
24
30
30
6
6
6
24
24
24
30
30
30
6
6
24
24
24
30
30
30