PSU

FU001

Ceramic Fuse

Input overcurrent protection

Symptom:

• The main power cannot be turned on

Possible Cause:

• The primary circuit of PSU shorts out or broken

Troubleshooting Procedures:

• Replace the PSU

FU002

Ceramic Fuse

Protects DC power supply circuit from overcurrent

FU201

Ceramic Fuse

24 V output overcurrent protection

Symptom:

• Although the power is applied to the main machine, the engine does not work

Possible Causes:

• The PSU overcurrent protection does not work

• 24 V output shorts out to ground

Troubleshooting Procedures:

• Replace the PSU

FU202

Micro Fuse

5 V output for LPS

Symptom:

• Although the power is applied to the main machine, the engine does not work

Possible Causes

• The PSU overcurrent protection does not work

• 5 V output shorts out to ground

Troubleshooting Procedures:

• Replace the PSU