
STP-603/1003 Series Instruction Manual
11.3 Other
Abnormalities
11.3.1
Abnormalities When Powering ON
(When the "FAILURE" lamp lights and the LCD displays an error message, see
Section 11.2, "When Error Message is Displayed on LCD.")
Table 11.2 Troubleshooting after Powering ON
No. Symptom
Probable
cause Countermeasures
Referred
Section
1 The "POWER" lamp
does not light when
powering ON.
Incorrect connection of
power cable
Connect the power cable
correctly.
6.4.2
Abnormal power voltage Set the voltage to rated
voltage
±
10%.
6.4.2
13.2
Power failure
Check whether or not a
power failure has occurred.
10.1
11.3.2
Abnormalities When Performing the STP Pump Start Operation
(When the "FAILURE" lamp lights and the LCD displays an error message, see
Section 11.2, "When Error Message is Displayed on LCD.")
Troubleshooting
Table 11.3 Troubleshooting When Performing the STP Pump Start Operation
No. Symptom
Probable
cause
Countermeasures
Referred
Section
1 The
"ACCEL."
lamp does not
light.
The "MANUAL/
REMOTE" changeover
switch is not at the
correct position.
Slide the "MANUAL/
REMOTE" changeover
switch to the correct
position.
6.1.1
7.5
7.6
ROTATION
INHIBIT
signal input pins
(REMOTE X7 (1)-(5)) are
opened.
When not using this
function, short the
circuits between (1)-(5), or
set "Inhibit Command" to
"DISABLE".
If these pins are opened,
the STP pump will not
rotate after performing
start operation.
8.1
9.3
11-9