Chapter2 Quick Starts; Power-On Selftest; Introduction; Selftest Steps - ITech IT8500plus Series User Manual

2.1 Power-on selftest

2.1.1 Introduction

A successful test process indicates that the instrucment meets the factory specifications
and can be operated well.

2.1.2 Selftest steps

Power cord should be connected correctly.Following is the detailed selftest steps.
Procedure
About 1S later
About 1S later
Press (Shift)+7
It may display following prompts when selftest fail.
1. "Eeprom Fail" means EEPROM is not functional.
2. "Eeprom data lost" means parameters of power-on have been lost.Reset them by
pressing (Shift)+4(save)+0
3. "Cal data lost" means calibration date have been lost.
4. "Eeprom Data lost"means the system settings are lost, reset them in system menu.
If you experience these error messages, the instrument should be returned to ITECH for
service.
WARNING：The electronic load is shipped from factory with a power cord
that has a plug appropriate for your location. Your electronic load is
equipped with 3-wire grounding type power cord; the third conductor being
ground. The electronic load is grounded only when the power-line cord is
plugged into an appropriate receptacle. Do not operate your power supply
without adequate cabinet ground connection.

2.1.3 Instrument won't turn on

If the instrument won't turn on, please check as follows.
1) Check whether the power cord is connected well.

Chapter2 Quick Starts

VFD display
System Selftest....
0.0000V 0.0000A
0.00W CC=0.000A
OFF CC
IT85XX Ver—1.XX
SN1:XXXXXXXXXXXXX
SN2: XXXXX
System self check
VFD:
The first line display actual voltage and
current value
The second line display the actual
power value and the setting
Auto
current/voltage/power/resistance value
The third line display the input
state/operation mode
Display products information.You can
press direction buttons to examine
product's model/SN/software version
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IT8500 USER MANUAL
Explanations
User Manual