FTP Series Programmable DC Power Supply Operation Manual
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5. Troubleshooting
Follow the actions described in this chapter to inspect the instrument and troubleshoot the problem if the FTP
series DC Power Supply does not operate normally. Contact Faithtech authorized agent or Faithtech after-sales if
the information provided in this manual does not resolve the problem.
Table 5-1 Fault Check
Problem
Possible Cause
Solution
Measurement accuracy is not
within SPEC.
Measurement swings due to
aged components.
Do calibration.
Output accuracy is not within
SPEC.
Output swings due to aged
components.
Do calibration
Overtemperature Protection
(OTP)
1. The ambient temperature
is too high.
1. Bad ventilation.
2. Fan damaged.
1. Operate the instrument within an ambient
temperature of 0 - 40°C.
2. Ensure the instrument is well ventilated.
3.
Contact Faithtech authorized agent or
Faithtech after-sales
4. Press
to clear protection state.
Overpower Protection (OPP)
The output power exceeds
the OPP setting.
1.
Decrease load or increase OPP setting.
2. Press
to clear protection state.
Overcurrent Protection (OCP)
The output current exceeds
the OCP setting.
1.
Decrease load or increase OCP setting.
2. Press
to clear protection state.
Overvoltage Protection (OVP)
The output voltage exceeds
the OVP setting.
1.
Decrease output voltage or increase OVP
setting.
2. Press
to clear protection state.
Overvoltage Protection (OCVP)
Remote V-sense compensate
voltage is too high
1.
Decrease voltage line loss
2. Press
to clear protection state.
Module Fault Protection
(FAULT)
Module damaged
Contact Faithtech authorized agent or
Faithtech after-sales
Power On Self Check Fault
Damage in internal component
Contact Faithtech authorized agent or
Faithtech after-sales
Summary of Contents for FTP Series
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