Maintenance; 10. Troubleshooting - Mountfield BHP 4/7 Instrucciones Para La Instalación Y El Mantenimiento

9.

MAINTENANCE

Cleaning and maintenance activities must not be carried out by children (under 8 years of age) without supervision by a
qualified adult. Before starting any work on the system, before starting to look for faults it is necessary to disconnect the
power supply to the pump (take the plug out of the socket).

10. TROUBLESHOOTING

Problem
The pump's motor does not
start or stops suddenly after a
few seconds.
The pump is running but no
water is being delivered.
The flow rate is insufficient.
The pump is running but the
delivery is suddenly reduced.
Cause
- No power supply.
- The thermal-amperometric motor protector
has deactivated the pump due to overload.
- Solid particles have obstructed the suction
filter.
- The pump is not sufficiently submerged.
- Clogged suction filter.
- There is no outflow of air because the
delivery pipe is obstructed (it may be
throttled).
- Clogged suction filter.
- Diameter of external pipe is too small.
- Too high head.
- Clogged suction filter.
ENGLISH
- Check the electrical connections.
- Unplug the pump and clean it (see section
6.1. Precautions and Cleaning).
Check
(max. 35° C).
- Unplug the pump and clean it (see section
6.1. Precautions and Cleaning).
- Lower the pump deeper in the water.
- Unplug the pump and clean it (see section
6.1. Precautions and Cleaning).
- Remove obstructions from delivery pipe.
- Unplug the pump and clean it (see section
6.1. Precautions and Cleaning).
- Use a larger diameter pipe.
- Reduce the head.
- Unplug the pump and clean it (see section 6.1.
Precautions and Cleaning).
12
Solution
the water temperature