Xylem GOULDS e-SVI Series, Инструкция по эксплуатации

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7 Troubleshooting
7.1 Precautions
Before starting work, make sure that the safety instructions in the chapter
Introduction and
Safety
on page 3 have been read and understood.
DANGER: Electrical Hazard
Troubleshooting a live control panel exposes personnel to hazardous voltages. Electrical
troubleshooting must be done by a qualified electrician.
DANGER: Crush Hazard
Moving parts can entangle or crush. Always disconnect and lock out power before servicing
to prevent unexpected startup. Failure to do so could result in death or serious injury.
7.2 The unit does not start
Cause Remedy
Electric power supply cutoff Restore the electric power supply.
The device for protection against the absence of
liquid has tripped
1. Check the liquid level in the tank.
2. Adjust the device
3. If the problem continues, replace the device.
Starter set incorrectly fitted or defective 1. Adjust the starter set.
2. If the problem continues, replace the starter set.
The motor protector on the control panel has
tripped (three-phase version)
See Starts per hour on page 12.
Power supply cord is damaged Replace the cable.
Defective capacitor (single-phase version) Contact the local sales and service representative.
Control panel defective Contact the local sales and service representative.
Unit defective Contact the local sales and service representative.
7.3 The differential protection device has tripped
Cause Remedy
Differential of unsuitable type or defective 1. Check the type of differential.
2. Replace the differential.
Low insulation unit Contact the local sales and service representative.
7.4 The unit stops and starts cyclically
Cause Remedy
Unit that is blocked or partially blocked Contact the local sales and service representative.
Unit mechanically seized Contact the local sales and service representative.
Undervoltage Check the power supply voltage.
Liquid is too thick Check the liquid.
Incorrect duty point, flow rate below or above the
permitted limits
Contact the local sales and service representative.
Ambient temperature is too high Decrease the temperature.
7 Troubleshooting
30 e-SVI series Instruction Manual