Table 11.2 Troubleshooting After Powering On; Table 11.3 Troubleshooting When Performing The Stp Pump Start Operation - Edwards STP-L301 Series Instruction Manual

11.2.3 Abnormalities when Powering ON
Symptom
The "POWER" LED does
not illuminate, when
powering ON.
The breaker goes OFF
when powering ON.
11.2.4 Abnormalities when Performing the STP Pump Start Operation

Table 11.3 Troubleshooting when Performing the STP Pump Start Operation

Symptom
The "ACCEL." LED does
not illuminate.

Table 11.2 Troubleshooting after Powering ON

Probable cause
Incorrect connection of
the power cable
Abnormal power voltage
Power failure
Abnormal power voltage
(200 V is applied to the
STP control unit of 100 V
spec.)
Probable causes
LCD message
(MANUAL operation only)
The
"MANUAL/REMOTE"
changeover switch is not
at the correct position.
Blown fuses (F1 to 4) for
remote signal input
(REMOTE operation only)
Incorrect setting of
DSW-B No.4 (only with
CON4)
11-7
STP-L301/L451 Series Instruction Manual
Countermeasures
Connect the power cable
correctly.
Set the voltage to 100 to
120 V +/–10% (100 V
spec.) or 200 to 240 V
+/–10% (200 V spec.).
Check whether a power
failure has occurred.
Set the voltage to 100 to
120 V +/–10 %.
Countermeasures
Press the "SELECT"
switch one or more times
until the LCD displays
"LEVITATION" or
"BRAKE ***00rpm".
Slide the
"MANUAL/REMOTE"
changeover switch to the
correct position.
Replace the blown fuses.
Contact Service office.
Set the DSW-B No.4 to
either "ON/OFF"
according to the remote
input connector/terminal.
Refer to
6.4.2
6.4.2
13.2
10.1
6.4.2
13.2
Refer to
7.4.2
6.1.1
7.4
7.5
8.2
Malfunction
Information
6.1.3
7.5/7.6
8.2/8.3