Troubleshooting; Overview - Chroma 69225 Series User Manual

6.

Troubleshooting

6.1

Overview

This chapter describes suggested troubleshooting procedure when the 69225/69212
Regenerative Charge/Discharge Tester is unable to operate normally. Please consult the
distributor of Chroma if the information provided in this manual is unable to resolve the
problem.
6.2 Troubleshooting
Causes of failure and suggestions for resolution are listed in the Table 6-1:
Protection
BUS_OVP DC Bus voltage over high
BUS_UVP DC Bus voltage over low
OUT_RVS Local connected reversely
OUT_OVP Local voltage over high
OUT_OCP Output current transient extremely
high (fast)
BAT_RVS RMT connected reversely
BAT_OVP Battery voltage over high
BAT_OCP Output current over high (general)
BAT_OTP Battery temperature over high, step
protection can be set for use
(user-defined)
WIR_LOS Wire loss too large (or RMT wire off)
SYS_OCP Hardware pulse by pulse overcurrent
protection.
SYS_OTP 692 inner over-temperature
Table 6-1
Cause of Failure Resolution
1. Calibration periodically is need.
2. Observe if the 691101 action is
normal.
1. Calibration periodically is need.
2. Observe if the 691101 action is
normal.
Check if output terminal connects to
positive/negative terminal exactly.
1. Check if output terminal wiring is
loosened.
2. Check if BMS is operating
abnormally.
1. Check if output terminal wiring is
loosened.
2. Check if BMS is operating
abnormally.
Check if Sensor wire connects to
positive/negative terminal exactly.
Check if battery voltage is over rated
voltage of the model.
To widen I LIMIT.
Check if the battery is
over-temperature.
1. Check if output wire path is with
abnormal or high impedance object.
2. Check if output and RMT wires are
loosened and to fix them.
Consult the distributor of Chroma.
1. The instrument should be operated
under ambient temperature 0°C~
40°C.
Troubleshooting
6-1