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5. Trouble Shooting
(Make sure to disconnect the power before attempting to diagnose any fault.)
Fault
1. Pump does not start
2. Pump runs at reduced capacity or no
discharge water
3. Pump stops during operation
6. Sound pressure level
LA dB(A)
Model
Model
50Hz
60Hz
TPH 2T2K
<70
<70
TPH8T2K
TPH2T3K
<70
<70
TPH8T2.5K
TPH2T4K
<70
<70
TPH8T3K
TPH2T5K
<70
<70
TPH8T4K
TPH2T6K
<70
<70
TPH8T5K
TPH8T6K
TPH4T2K
<70
<70
TPH12T1K
TPH4T3K
<70
<70
TPH12T2K
TPH4T4K
<70
<70
TPH12T3K
TPH4T5K
<70
<70
TPH12T4K
TPH4T6K
<70
<70
TPH12T5K
TPH12T6K
.
7
Dimensions and weights
See page 9.
Cause
1. Check if electrical power source, fuse or circuit
breaker failed.
2. Check if pump is locked up by sand, rust or any
foreign objects.
3. Check if the motor is defective due to overload or
other causes.
1. If it is a three phase motor, please check if the
direction of rotation is correct.
2. Check if the inlet source is sufficient, the suction
lift is not too great and the temperature is within
the normal range.
3. Check if there is any leakage in suction pipe,
check valve works normal and mechanical seal is
not defective etc.
1. Motor overheat due to excessive suction lift or too
high liquid temperature.
2. Control circuit has cut out (pressure switch or
level controller).
LA dB(A)
LA dB(A)
Model
50Hz
60Hz
50Hz
<70
<70
TPH25T2KF
76.0
-
<70
TPH25T3KF
76.0
<70
<70
TPH25T4KF
76.0
<70
70.7
TPH25T5KF
76.0
<70
70.7
TPH25T6KF
-
<70
-
-
<70
TPH50T2KF
78.0
<70
<70
TPH50T2.5KF
-
<70
71.7
TPH50T3KF
78.0
<70
76.1
TPH50T4KF
78.0
70.7
-
TPH50T5KF
-
70.7
-
~ 5 ~
1.
1.1
TPH
1.2
1.3
:Max. +40
o
:+0
C ~ +90
:Max. 10 kg/cm
:Max. 6 kg/cm
2.
2.1
2.1.1
2.1.2
60Hz
2.1.3
78.0
78.0
2.1.4
78.0
2.1.5
78.0
78.0
2.1.6
-
78.0
-
2.2
78.0
2.2.1
78.0
2.2.2
2.2.3
o
2.2.4
C
Fig.1
o
C
2
2
2.3
2.4
2.5
o
40
C
o
90
C
2.6
2.7
2.8
~ 6 ~
PVC
Cavitation
o
o
(20
C~30
C)
5
o
60
C
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