ITech IT8700P+ Series User Manual page 33

Selftest steps
The procedures of the self-test are as follows:
1. Correctly connect the power cord. Press [Power] key to start up. VFD display
software version "BOIS Ver X.XX".
2. About 1S later ,system self-check "SYSTEM SELF TEST"。
3. About 1S later, detect all modules installed . VFD displays the following
information.
CH1/2/3/4/5/6/7/8
□7□5□3□1
4. About 1S later, display information of channel 1 or the most left channel.
Use up and down key to select other channels.
Such as：CH01 CV OFF
Exception handling
If the electronic load cannot start normally, please check and take measures by
reference to steps below.
1. Check whether the power line is correctly connected and confirm whether
the electronic load is powered.
Correct wiring of power line => 2
Incorrect wiring of power line => Re-connect the power line and check
whether the exception is removed.
2. Check whether the power in On.[ Power ] key is under " " On status.
Yes => 3
No => Please check the [ Power ] key to start power and check whether
the exception is removed.
3. Check whether set power voltage of electronic load is larger than the power
supply voltage. If set power voltage is 220 V and the supply voltage is 110V,
the electronic load cannot start.
4. Check whether the fuse of electronic fuse is burned out.
If yes, change fuse. Detailed steps:
1) Pull out power line and take out the fuse box at power line jack with a
2) If the fuse is fused, please change fuse of same specification based on
SCAN...
Vdc=0.0000V
Adc=0.0000A
Wdc= 0.00W
small screw driver. As shown below.
machine model. See the table blow for matching information of fuse
and machine model.
Fuse specification
Model
(110VAC)
IT8701P T5A 250V
IT8702 T5A 250V
IT8702P T5A 250V
IT8703 T5A 250V
IT8703P T5A 250V
Copyright © Itech Electronic Co., Ltd.
Fuse specification
(220VAC)
T2.5A 250V
T2.5A 250V
T2.5A 250V
T2.5A 250V
T2.5A 250V
Quick Start
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