TROUBLESHOOTING
116 EMX4i User Manual 710-14888-00C
Possible cause/Suggested solution
Low Control Volts
The EMX4i has detected a drop in the internal control voltage.
• Check the external control supply (A1, A2, A3) and reset the
starter.
If the external control supply is stable:
• the 24 V supply on the main control PCB may be faulty; or
• the bypass driver PCB may be faulty. Contact your local
supplier for advice.
This protection is not active in Ready state.
Related parameters: None
Low Flow
The flow sensor connected to the smart card has activated low
flow protection.
Related parameters: 30E, 30G, 30H, 31B, 31C, 31D, 36G
Low Pressure
The pressure sensor connected to the smart card has activated
low pressure protection.
Related parameters: 30A, 30C, 30D, 32D, 32E, 32F, 36E
Low Water
The depth sensor connected to the smart card has activated
depth protection.
Related parameters: 30L, 30N, 30O, 34A, 34B, 34C, 36I
Motor Connection
Motor Connection T1
Motor Connection T2
Motor Connection T3
This trip is not adjustable.
The motor is not connected correctly to the soft starter.
• Check individual motor connections to the soft starter for
power circuit continuity.
• Check connections at the motor terminal box.
• If the soft starter is connected to a grounded delta mains
supply, adjust parameter 20F
Motor Connection
to match the
motor connection configuration.
Related parameters: 20F
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