Troubleshooting - Xylem GOULDS REDJACKET Serie Directives D'installation Et D'utilisation

TROUBLESHOOTING

TROUBLESHOOTING
DISCONNECT AND LOCKOUT ELECTRICAL POWER BEFORE ATTEMPTING ANY SERVICE. FAILURE
WARNING
TO DO SO CAN CAUSE SHOCK, BURNS OR DEATH.
Hazardous voltage
can shock, burn or
cause death.
Symptom
PUMP MOTOR
NOT RUNNING
1. Motor thermal protector tripped
a. Incorrect control box
b. Incorrect or faulty electrical connections
c. Faulty thermal protector
d. Low voltage
e. Ambient temperature of control box/starter
f. Pump bound by foreign matter
g. Inadequate submergence
2. Open circuit breaker or blown fuse
3. Power source inadequate for load
4. Power cable insulation damage
5. Faulty power cable splice
1. Faulty or incorrectly installed check valve
LITTLE OR
NO LIQUID
2. Pump air bound
DELIVERED
BY PUMP
3. Lift too high for pump
4. Pump bound by foreign matter
5. Pump not fully submerged
6. Well contains excessive amounts of air or gases
7. Excessive pump wear
8. Incorrect motor rotation – three phase only.
16
Probable Cause
too high
Recommended Action
1. Allow motor to cool, thermal protector will
automatically reset
a – e. Have a qualified electrician inspect and
repair, as required
f. Pull pump, clean, adjust set depth as required
g. Confirm adequate unit submergence in
pumpage
2. Have a qualified electrician inspect and repair,
as required
3. Check supply or generator capacity
4 – 5. Have a qualified electrician inspect and
repair, as required
1. Inspect check valve, repair as required
2. Successively start and stop pump until flow is
delivered
3. Review unit performance, check with dealer
4. Pull pump, clean, adjust set depth as required
5. Check well recovery, lower pump if possible
6. If successive starts and stops does not remedy,
well contains excessive air or gases
7. Pull pump and repair as required
8. Reverse any two motor electrical leads