| 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) |
|
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 |
|