4B W4005V46-SYS/B Series, Оригинальное руководство пользователя

Страница: 40 / 48

4B - W4005 BÜHLER ELEVATOR MONITORING SYSTEM R9.6 – 22 May 2020
Page 40 of 48
13. Troubleshooting Guide
Condition Solution
Power LED is OFF
•
Check that power is applied to the unit on terminals 25-28
•
Check that the main input fuse F6 is not damaged
•
Check that the internal circuitry fuse F5 is not damaged
Alarm / Stop LED is blinking, but no
Alarm present
•
Unit is not calibrated or waiting for calibration. Please refer to 10.14
for the instruction on how to calibrate the unit. W4005NV46CAI /B
controller MUST be calibrated before it can be used
There is no power to the sensors
•
Check that the field power fuses ( F1 and F2 ) are not damaged
•
Check the field wiring to make sure +24VDC supply is delivered to
the sensors
•
Replace the faulty fuses and sensors as necessary
Sensor in Alarm /Fault
•
Check if the sensor is in a state of alarm and clear it
•
Check if the sensor is powered correctly (+24VDC)
•
Replace the faulty sensor if needed
Bearing Temperature Sensor Alarm
always present
•
Make sure that switches 3 and 4 within SW2 are set correctly. Refer
to section 10.13.2 -
DIP Switches (SW2)
for more information
•
Make sure that the bearings are not faulty and have been greased
correctly
•
Replace faulty temperature sensors as necessary
Immediate Stop/Shutdown after
calibration
•
Check that there are no misalignment alarms
•
Check that the speed sensor is detecting speed (i.e. the output LED
on the sensor is blinking when the shaft is rotating
•
Check that the motor contactor is wired exactly as shown in this
manual
Elevator is not stopping when alarm is
present
•
Check that the motor started wiring is correct according to the
drawings specified in this manual in
Figure 14 .
Table 28 - W4005V46AI-SYSx Troubleshooting Guide