Common Water Pump Problems and How to Fix Them

Before calling an electrician, try these troubleshooting steps.

Motor Won't Start

Check:

1. Power supply at starter
2. Fuse condition
3. Overload relay (reset if tripped)
4. Capacitor (for single-phase)

Motor Runs But No Water

Causes:

• Air lock in pump
• Dry sump/borewell
• Clogged foot valve
• Impeller damage

Solution: Prime the pump, check water source level.

Low Pressure

Causes:

• Partially blocked pipe
• Worn impeller
• Air leak in suction pipe
• Undersized pipe

Motor Overheating

Causes:

• Overload
• Low voltage
• Blocked ventilation
• Bearing wear

Noisy Operation

Causes:

• Cavitation (low water level)
• Loose mounting
• Bearing wear
• Foreign objects

When to Call a Professional

• Electrical smell
• Visible damage
• Repeated tripping
• Water in motor housing