Ulvac MBD-D - Troubleshooting; Table 6-1 List of Troubleshooting (1;2)

CRYO-METER MBD-D Instruction Manual
ULVAC CRYOGENICS INCORPORATED 13
6. Troubleshooting
Preventive Maintenance and Inspection
Check the following when performing scheduled maintenance.
 The housing or connected cables have no damage.
 No stress or force is added to the cables.
 Cable plugs are fastened tightly.
If any problems have been detected, take appropriate measures or contact us.
Troubleshooting Procedure
Table 6-1 List of Troubleshooting (1/2)
Problem
Part
Possible Cause
Corrective Action
READY light does not
illuminate although
the power is turned
ON.
Main power
Terminal ends
Fuse (Inside)
1.Power supply to
MBD-Ｄ is low or
0V
2. Wiring problem
3. MBD-D failure
Check the voltage of AC power supply
for MBD-D. If no problem is observed,
check MBD-D power terminal,
connection status, (cables supplied by
UCI is used), or proper voltage is
supplied through the cable.
If none of the above problems is
detected, MBD-D might have failure.
Contact us.
READY light is on, but
none of MBS-C light is
ON.
DC Power Cable
MBD-Ｄ POWER
OUT
1. Wiring problem
2. MBD-Ｄ failure
3. MBS-C failure
Check the connection status or failure
of DC power cable (cables supplied by
UCI should be used).
Also, check the DC voltage from
MBD-D POWER OUT is appropriate.
If no problem is observed about the
items above, MBD-D may have failure.
Contact us for replacement of MBD-D
or refer to MBS-C instruction manual for
further inspection.
READY light is ON,
but the temperature
display shows
nothing.
Signal Cable
Inside of MBD-Ｄ
1. Wiring trouble
2. MBD-Ｄ failure
Check if the signal cable has any
damage, or wiring is appropriate.
If no problem is observed, MBD-D may
have problems.
Contact us.