Fluke 63 - Troubleshooting; Common Problems and Solutions

63/66/68
Troubleshooting
21
Troubleshooting
Symptom Problem Action
--- (on display) Target temperature
is over or under
range
Select target within
specifications
Low battery Replace battery
Blank display Possible dead
battery
Check and/or
replace battery
Laser does not
work
1. Low or dead
battery
2. Ambient
temperature above
40 °C (104 °F)
1. Replace battery
2. Use in area with
lower ambient
temperature
ERR Possible damage by
EMF
Contact your
distributor
Accessories
Optional accessories for the thermometers are:
• Contact probe (RTD) (66/68) - Fluke PN 2148313
• Nylon Soft Carrying Case – Fluke PN 2152040
• NIST/DKD certification