Xylem Bell & Gossett e-80SCXL Series, Инструкция по эксплуатации

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7 Troubleshooting
7.1 Precautions
WARNING:
Maintenance and service must be performed by skilled and qualified personnel only.
7.2 The pump unit is turned on but does not work
Cause Remedy
Power supply cut off Restore the power supply
The thermal overload protection of the motor has
been triggered
Reset the thermal overload protection in the control
panel or the one in the pump unit
The device that detects the absence of liquid or
minimum pressure has been triggered
Top up the liquid or restore minimum pressure
Power supply cable is damaged Replace the power supply cable
The condenser is faulty, if present Replace the condenser
Control panel is faulty Check and repair or replace the control panel
Motor (coil) faulty Check and repair or replace the motor
7.3 The differential protection device (RCD) is activated
Cause Remedy
Motor leaking Check and repair or replace the motor
Unsuitable type of differential Check the type of differential
7.4 The thermal overload protection of the motor is triggered when the
pump unit starts
Cause Remedy
It is calibrated at a value too low in relation to the
rated current of the motor
Recalibrate
Missing power supply phase Check the power supply and restore the phase
Loose and/or faulty connections of the thermal
overload protection
Tighten or replace the clamps and terminals
Loose and/or incorrect and/or fault (star-delta)
connections in the terminal board of the motor
Tighten or replace the clamps and terminals
Motor (coil) faulty Check and repair or replace the motor
Pump unit mechanically seized up Check and repair the pump unit
Power supply cable is damaged Replace the power supply cable
Check valve faulty Replace the check valve
Foot check valve faulty Replace the foot check valve
7 Troubleshooting
28 Series e-80SCXL INSTRUCTION MANUAL