WIKA operating instructions, models CTH6300 and CTH6500
EN
38
2079988.08 02/2018 EN/DE/IT
9. Faults
Display
Cause
Measures
7o
l
o
“too low” underrange of the
measuring range
Use the temperature probe according
to the technical specifications. See
chapter 3 “Specifications”.
7o
h
'
“too high” overrange of the
measuring range
Use the temperature probe according
to the technical specifications. See
chapter 3 “Specifications”.
7E
r
i
Temperature of the reference
measuring point exceeds the upper
limit of the measuring range
Use the temperature probe according
to the technical specifications. See
chapter 3 “Specifications”.
7E
r
2
Temperature of the reference
measuring point is below the lower
limit of the measuring range
Use the temperature probe according
to the technical specifications. See
chapter 3 “Specifications”.
E15
Battery is completely discharged
Insert new batteries
E19
E1dh
E16
Interruption of the Auto-off function
Switch on the Auto-off function
again, see chapter 6.7 “AUTO-OFF
function”.
E1oh
E1eh
E23
EE-prom content destroyed
Send in for repair
E25
E12
Overflow
Remove the battery and then re-
insert it.
E31
Temperature of the reference
measuring point is outside of the
measuring range
Use the temperature probe according
to the technical specifications. See
chapter 3 “Specifications”.
CAUTION!
If faults cannot be eliminated by means of the measures listed above, the
hand-held thermometer must be shut down immediately.
In this case, contact the manufacturer.
If a return is needed, please follow the instructions given in chapter
10.2 “Return”.
