Kikusui OT01-PCR12000LA/2, Operation Manual

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OT01-PCR-LA/2 Maintenance 7-3
7.2 Malfunctions and Causes
This section describes some symptoms of possible malfunctions encountered during
use of the system, along with appropriate remedies. The symptoms of possible mal-
functions and remedies described here apply to single-phase parallel operation or
single-phase, three-wire operation.
For the symptoms of possible malfunctions and appropriate remedies for a PCR-LA
power supply, see the PCR-LA AC Power Supply Operation Manual.
In this section, we describe seven typical symptoms and possible check items for
each; you simply
fi nd the relevant item.
When the relevant item is found, take the corresponding remedy. If this does not
solve or improve the problem, or if no relevant item can be located, contact your
Kikusui distributor/agent.
7.2.1 Single-phase Parallel Operation
Symptom1: The PCR-LA power supply display panel displays
“Err2” or nothing, or continues to display the version
number.
Check item
Possible cause Remedy
Location and condition
of the item concerned
Check results
Check whether the mas-
ter/slave cards are prop-
erly inserted into the
correct slot.
No
Improper card instal-
lation
Insert the card(s) into the correct
slot(s). “2.5.4 Parallel Operation
Driver”.
Check whether the drive-
signal cables are properly
connected.
No
Improper drive-sig-
nal cable connec-
tion(s)
Connect the cables securely
between the master and slave units.
See “2.5.4 Parallel Operation
Driver”.
Check whether the DIP
switches (parallel opera-
tion address) of each card
have been properly set.
No
Incorrect parallel
operation address set-
ting, which disables
single-phase parallel
operation
Set the correct parallel operation
addresses. See “2.5.4 Parallel
Operation Driver”.