User manual
  Error Messages and Troubleshooting 
  Troubleshooting  7 
7-17 
Troubleshooting 
In the event that the Product functions abnormally, Table 7-2 can help find and solve the 
problem. Several possible problem conditions are described with likely causes and 
solutions. If a problem occurs, please read this section carefully and attempt to 
understand and solve the problem. If the Product seems faulty or the problem cannot 
otherwise be solved, contact an Authorized Service Center for assistance, see Chapter 1. 
Be sure to have the instrument model number, serial number, and regional voltage 
available to tell the Service Technician. 
Table 7-2. Troubleshooting Chart 
Problem  Causes and Solutions 
The Product does not 
power on. 
Cause 1: Fuses. 
Solution 1: If a fuse blows, it could be because of a power surge or a 
component failure. Replace the fuse once. DO NOT replace the fuse with one 
of a higher current rating. Always replace the fuse with one of the same rating, 
voltage, and type. If the fuse blows a second time, it is likely caused by failure 
of a component part. 
Cause 1: Power Cord. 
Solution 1: Check that the power cord is plugged in and connected to the 
Product. 
Cause 2: AC mains power. 
Solution 2: Make sure the circuit that supplies power to the Product is on. 
Cause 3: Power entry is not properly set. 
Solution 3: Make sure the power entry setting is matching with the AC mains 
power supply rate. 
LED lights are 
illuminated but the 
display is blank. 
Cause 1: The unit is standby mode (the power LED should be amber). 
Solution 1: Press the Standby key on the front panel to exit the standby 
mode. 
Cause 2: Screen saver activated. 
Solution 2: Press any front panel key to exit the screen saver. 
Cause 3: Screen or unit is malfunctioning.   
Solution 3: Contact Fluke Calibration. See Chapter 1. 
Input Module is not 
recognized. 
Cause 1: Input Module not fully seated. 
Solution 1: Reinstall the Input Module and make sure it is fully seated in the 
slot. 
Cause 2: Relay card not installed. 
Solution 2: Make sure the relay card is installed. 
Cause 3: Input Module has failed. 
Solution 3: Contact an Authorized Customer Service Center. 










