FTP9000 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
FTP9000 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
PMF Fault
1. The grid power supply is
below the instrument
requirement;
2. PMF triggered by power
failure
1. Check whether the grid power supply is
normal
2. Neglectable if PMF triggered by power
failure
3. Press
to clear protection state.
Overtemperature Protection
(OTP1
、
OTP2)
1. The ambient temperature
is too high.
2. Bad ventilation.
3. 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,
OP)
The output power exceeds
the spec. or OPP settings.
1.
Decrease load or increase OPP setting.
2. Press
to clear protection state.
Overcurrent Protection (OCP,
OC)
The output current exceeds
the spec. or OCP settings.
1.
Decrease load or increase OCP setting.
2. Press
to clear protection state.
Overvoltage Protection (OVP,
OV)
The output voltage exceeds
the spec. or OVP settings.
1.
Decrease output voltage or increase OVP
setting.
2. Press
to clear protection state.
Table 5-2 Power on Self-test Fault Check
Problem
Possible Cause
Solution
The PRI Fault... Error!
Internal communication error
Power module error
Contact Faithtech after-sale
service
Test sample. Error!
Sampling data error
Loading calibration data. Error!
Loading calibration data failure
Loading parameters. Error!
Loading system para failure
Summary of Contents for FTP9000 Series
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