Maintenance; Replacement Of Sensing Probe; Self-Help In Case Of Errors; Replacement Parts / Accessories - E+E Elektronik EE220 Série Manuel D'instruction

7.

MAINTENANCE

7.1

Replacement of sensing probe

If the sensing probe gets damaged (e.g. mechanical destruction of the sensor probe) it is
possible to replace the probe without re-adjustment.
Procedure of replacement:
1) Switch off supply voltage
2) Remove damaged sensor probe
3) Plug in the replacement probe
Attention: Do not mix up the position of the probes!
(see chapter 3.1 "Mounting of the probe")
7.2

Self-help in case of errors

•
Error
possible cause
⇒
Measures / Help
•
Display shows incorrect values
Error during re-adjustment of the transmitter
⇒
Reset to factory calibration and repeat the calibration routine
Filter soiled
⇒
Replace filter
Sensor defective
⇒
Replace sensor
•
Long response time
Filter soiled
⇒
Replace filter
Incorrect filter type
⇒
Filter type should match the application
•
Transmitter failure
no supply voltage
⇒
Check wiring and supply voltage
•
High humidity values
Dew (condensation) in sensor probe head
⇒
Dry probe head and check the mounting of the sensor probe
Incorrect filter type
⇒
Filter type should match the application
8.

REPLACEMENT PARTS / ACCESSORIES

Description
- Display and housing cover in metal
- Display and housing cover in polycarbonate
- Duct mounting kit
- Reference probes
- Probe cable 2m / 5m
(6.6ft)
- Bracket for rail installation
- External supply unit
/ 10m
(16.4ft) (32.8ft)
(for polycarbonate housing only)
18
Order Code
D07M
D07P
HA010209
HA010403
HA0108xx
HA010203
V02