Diagnostic Information Page 1

WARNING: Disconnect and lockout electrical power before attempting any service. Failure to do so can cause shock, burns or death.

Having a well water problem?
Listed below are several common problems with water wells. They are listed for your convenience, though we always recommend calling Monticello Pump Services when you have a problem.

Submersible Pump

Problem Probable Cause Solution
Pump Motor Not Running 1. Motor thermal protector tripped. 1. Allow motor to cool, thermal
protector will automatically reset.
 
a. Incorrect control box.
b. Incorrect or faulty electrical connections.
c. Faulty thermal protector.
d. Low voltage.
e. Ambient temperature of control box/starter too high.
a-e. Have a qualified Monticello Pump Services technician inspect and repair, as required.
 
f. Pump bound by foreign matter.
f. Pull pump, clean, adjust set depth as required.
 
g. Inadequate submergance.
g. Confirm adequate unit submergence in pumpage.



2. Open circuit breaker or blown fuse.
2. Have a qualified Monticello Pump Services technician
inspect and repair as required.
  3. Power source inadequate for load. 3. Check supply or generator capacity.

 

 4. Power cable insulation damage
5. Faulty power cable splice
4-5. Have a qualified Monticello Pump Services technician inspect
and repair as required.