Routine Maintenance
Copyright © Itech Electronic Co., Ltd. 73
8.3 Contact of ITECH Engineers
This section describes operations to be carried out by the user in case of failure
of the instrument.
Preparation before contact
When the instrument fails, you should make the following preparations before
returning the instrument to ITECH for repair or contacting engineers.
1. Check all the items listed in the “Self-inspection of Equipment Faults” and
confirm whether there are still some problems.
2. If there are still some problems, carefully read the contents of warranty
services and warranty restrictions in the preface of the manual. Confirm
that our instrument complies with warranty service conditions.
3. If you want to send the instrument to the manufacturer for repair, refer to
instructions in “8.5 Returning Your Power for Service”.
Self-inspection of equipment faults
In case of failure of the instrument, self-inspect the following items. If the
instrument failure can be eliminated via simple inspection, the maintenance
cost and time can be saved. Please check the following items before contacting
the engineer of ITECH.
⚫ Check whether the power supply is powered up.
⚫ Check whether the power supply is started normally.
⚫ Check whether the instrument fuse is in good conditions.
⚫ Check whether other connectors are in good conditions and whether
cables, plugs and other parts are connected properly.
⚫ Check whether the system configuration of the instrument is correct during
use.
⚫ Check whether self-inspection of the instrument is successful and whether
the specifications and performance are within the indicator ranges.
⚫ Check whether the instrument displays error information.
⚫ Use other instruments instead of this instrument for confirmation.
Collect the SN number
ITECH will constantly improve the product performance, availability and
reliability. The service personnel of ITECH will record changes of each
instrument. All relevant information is marked uniquely according to the serial
number of each instrument. The equipment returned for repair must adopt the
SN number as the tracking ID.
When you contact the engineer, the effective SN number of the instrument will
be the effective guarantee for effective service and complete information. You
can obtain the SN number of the instrument by the following ways:
1. Press the [Menu] key to enter the menu setting page of the power supply.
2. Select “System” to enter system menu page.
3. Press the [Sys Info] to enter “System Infomation” interface to view the
product model, product SN, software version number and other
information.
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