Trouble Shooting Chart

This “TROUBLESHOOTING” chart has been prepared to guide in the general determination of pump problems and their solutions. Each manufacturer normally provides a description of warranty conditions. Some pump warranties are immediately voided if the unit is disassembled. Be sure to thoroughly read the owner's manual and warranty.
warning WARNING: Unplug pump from power source before handling. Failure to do so could result in severe personal injury or death when touching the pump or discharge piping.
warning SAFETY INSTRUCTION:
  1. For your own safety, read the owner's manual carefully. Learn the pump's application and limitations as well as specific hazards peculiar to this pump.
  2. If pump repair is required, take the pump to the manufacturer's authorized service station.
EXPLANATION OF THE CODE SYSTEM
1. Determine trouble symptom of pump.

Example: PUMP FAILS TO OPERATE
2. Read and perform operations indicated by code listed under CAUSE-TEST-CURE at right of Trouble Symptom.

EXAMPLE: 1-A-1           example

  Read No. 1 under POSSIBLE CAUSE OF PROBLEM.
Perform Test A under TESTS
Perform corrective action No. 1 under CORRECTIONS.
3. If No. 1-A-1 does not solve the problem, continue down Code list until problem is solved.


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Symptoms
TROUBLE SYMPTOM CAUSE - TEST - CURE
Pump fails to operate

(Motor does not run)
Causes   |   Tests   |   Cures
1-A-1
1-A-2
2-B-4
2-B-5
2-B-7
2-C-4
2-C-5
3-H-4
3-H-5
3-H-7
4-E-6
4-E-7
5-D-3
5-D-6
5-D-31
5-E-6
5-E-7
5-E-8
6-H-13
6-H-31
7-H-31
9-E-6
9-E-7
9-E-8
10-J-9
10-J-31
14-J-10
14-J-11
14-J-31
16-L-27
16-S-27
16-Y-27
26-K -13
27-T-13
28-K-13
29-P-13
31-J-9
31-J-31
40-Z-32
41-AA-33
42-P-34
42-P-35
42-P-36
42-P-37
43-P-38
44-P-39
45-Z-40
45-Z-41
Pump operates but fails to deliver water or delivers insufficient amount of water
Causes   |   Tests   |   Cures
11-J-23
12-W-9
12-W-31
17-S-12
17-S-16
18-P-14
19-H-20
20-P-21
21-P-18
22-X-15
23-V-25
24-U-26
30-J-22
32-N-15
32-N-16
32-N-17
33-J-31
38-O-30
39-S-16
Pump operates for short time then stops

(Does not stop at normal turn off point)
Causes   |   Tests   |   Cures
5-D-3
5-D-7
7-H-31
8-E-8
9-E-6
9-E-8
13-J-31
15-J-11
15-J-31
16-L-27
16-Y-27
28-K-13
Pump operates continuously

(Does not turn off at normal turn off level, and continues to operate after all water is evacuated.)
Causes   |   Tests   |   Cures
6-1-31
11-J-23
12-W-9
12-W-31
17-S-12
17-S-16
18-P-14
19-H-20
20-P-21
21-P-18
22-X-15
23-V-25
24-U-26
27-T-13
28-K-13
29-T-13
30-J-22
32-N-16
32-N-17
33-J-31
39-S-16
Pump cycles too frequently

(Cycles on and off more than once a minute)
Causes   |   Tests   |   Cures
17-S-12
23-R-25
23-V-25
25-P-24
28-K-13
34-M-19
Pump operation very noisy

(Squealing, hammering, grinding or excessive noise transmitted thru piping.)
Causes   |   Tests   |   Cures
11-J-23
13-J-31
15-P-11
30-J-22
31-J-9
35-P-28
35-P-29
36-F-28
37-O-30
Pump turn on & turn off points have changed
Causes   |   Tests   |   Cures
27-K-13
29-T-13
40-Z-32
44-P-39
36-F-28


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