Vaisala FD12P - Manual (Page 140)

User's Guide _______________________________________________________________________
140 _____________________________________________________ M210296en-A
Message Typical Min/
Max Fault Description Action
P15
Positive voltages
of the DC / DC
converter for the
transmitter/receiver
. +15.0 V +14 V/
+16 V <+14.0 V
>+16.0 V DC/DC converter is
overloaded or working
wrong. 1. Check flat cable
between
transmitter/
receiver.
2. Change the
transmitter.
3. Change the
receiver.
M15
Negative voltages
of the DC/DC
converter for the
transmitter/receiv
er -15.0 V -16 V/
-14 V >-14.0 V
<-16.0 V DC/DC converter is
overloaded or working
wrong. 1. Check flat cable
between
transmitter/
receiver.
2. Change the
transmitter.
3. Change the
receiver.
BGDN
Ground potential
for the transducer,
i.e.,
voltage loss in
transducer cable.
~0 V -0.5 V/
+1 V <-0.5 V
>+1 V Check transducer
cable.
Getting Help
For technical support or comments on the manual, contact the Vaisala
technical support:
E-mail [email protected]
Telephone +358 9 8949 2789
Fax +358 9 8949 2790
Return Instructions
If the product needs repair, please follow the instructions below to
speed up the process and avoid extra costs.
1. Read the warranty information.
2. Write a Problem Report with the name and contact information
of a technically competent person who can provide further
information on the problem.