Vaisala HMP243 Guide de l'utilisateur télécharger pdf (Page 116)

HMP240

Appendix 6: HMP243 wiring diagram M210300en

114

- the humidity measurement cannot be completed. Check the HUMICAP

sensor and humidity measurement wires and their solderings on the

component board (TP9,TP10 and TP11/15). If you cannot find any faults, send

the transmitter to Vaisala for repair.

E46 f (Ud2 ) out of range

- the measurement hybrid is probably damaged. Send the transmitter to

Vaisala for repair.

E47 f (Uk1 ) out of range

- the measurement hybrid is probably damaged. Send the transmitter to

Vaisala for repair.

E48 f (Uk2 ) out of range

- the measurement hybrid is probably damaged. Send the transmitter to

Vaisala for repair.

The LEDs display these error types as follows:

¡¡¤¤

no frequency at all

¡¡¤¡

a frequency missing from the RH channel

¡¡¡¤

a frequency missing from the T channel

The second error type indicates erroneous y-values (used in internal calcula-

tions):

Display: Serial bus:

E51 T y-value out of range

- the temperature measurement cannot be completed. Check the temperature

sensor when only a humidity probe is used, and both temperature sensors if

also an additional temperature probe is used. Check also the temperature

measurement wires and their solderings on the component board

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Vaisala HMP243 Guide de l'utilisateur Page 116