Minarik PCM4 - Page 33

27
Troubleshooting
Possible
Causes
1. No output voltage
from PCM4 (TB502).
2. Loose connections
between PCM4 and
motor drive.
3. PCM4 is not
receiving AC line
voltage.
4. Input signal is not
connected.
5. SIGNAL INPUT
ADJ potentiometer
is not calibrated.
6. Motor drive not
calibrated properly.
Suggested
Solutions
1. Recalibrate the
PCM4. If there is still
no output send
PCM4 to Minarik for
repair.
2. Check connections
between TB502 and
the input of motor
drive.
3. Apply AC line
voltage to terminals
1and 4.
4. Check that the PCM4
is receiving voltage
(or current) input
signal.
5. Calibrate SIGNAL
INPUT ADJ (page
26).
6. Re-calibrate motor
drive according to
manufacturer’s
instructions.
Problem
Motor attached to the
drive does not run.