YASKAWA P1000 Technical Manual page 74

4.5 Start-Up Procedure
F2
11. Press to toggle to the Bypass Mode.
The keypad display should show BYP–OFF if the device is ready for Bypass operation.
12. Bump the motor by pressing
rotating in the correct direction and that no faults or alarms occur.
If the direction of motor rotation is incorrect, press
13.
light turns OFF and the motor coasts to stop.
Skip to step 15 if the direction of motor rotation is correct.
Turn off the power to the P1000 Bypass.
WARNING! Electrical Shock Hazard. Do not touch any terminals before the
capacitors have fully discharged. Failure to comply could result in death or serious
injury. Before servicing, disconnect all power to the equipment. The internal
capacitor remains charged even after the power supply is turned off. The charge
14. indicator LED will extinguish when the DC bus voltage is below 50 Vdc. To prevent
electric shock, wait for at least the time specified on the warning label, once all
indicators are OFF, measure for unsafe voltages to confirm the drive is safe prior
to servicing.
Switch the wires for L1 and L2 on the bypass input circuit breaker. Re-tighten the terminal
lugs and reapply power.
Run the motor in Bypass Mode using
15.
Then measure the output voltage (Line-to-Line and Line-to-Ground) using a multimeter
and record the values for future reference.
16. The P1000 Bypass should operate normally. Press
light is OFF and the motor coasts to stop.
74
Step
Motor Rotation in Bypass Mode
then quickly pressing
HAND
OFF
to stop the motor. The HAND
and check the motor current using UB-01.
HAND
OFF
to stop the motor. The HAND
OFF
. Ensure the motor is
YASKAWA SIEP YAIP1B 01B YASKAWA AC Drive – P1000 Bypass Technical Manual
Display/Result
BYP-OFF
Frequency Ref
U1-01= 00.0Hz
U1-02= 0.00Hz
U1-03= 0.0A
RLY DRV/BYP
Motor
Forward
DIGITAL OPERATOR JVOP-183
DRV-OFF
Freq Ref (AUTO)
U1-01= 0.00Hz
U1-02= 0.00Hz
LSEQ
U1-03= 0.00 A LREF
BYPASS
F1
M M
ESC
RESET
AUTO
HAND
On
– –
BYP-RUN BYPASS
Monitor Menu
UB-01= 02.5A
UB-02=10000110
UB-03=10000110
RLY DRV/BYP
– –
LSEQ
LREF
ALM
F2
HAND
ENTER
OFF
HAND
Off
LSEQ
LREF