Doc. code 1080100090
Version: 2015_03_03
13
Binary display
Description
Hexadecimal display
1 at first place
Check sum error
E 40
1 at second place
E
2
PROM defective
E 20
1 at third place
Instrument has been reset
E 10
1 at fourth place
Scanning coil defective
E 08
1 at fifth place
Reference sensor defective
E 04
1 at sixth place
Return flow sensor defective
E 02 / E 82
1 at seventh place
Forward flow sensor defective
E 01 / E 81
Example: scanning coil fault
Hint
Ch
eck
su
m
faul
t
E²P
R
OM
faul
t
Rese
t
Scan
n
in
g c
o
il faul
t
Refe
ren
ce
senso
r
fau
lt
Ret
u
rn
fl
o
w
s
enso
r
fau
lt
Fo
rward
fl
o
w
senso
r
fau
lt
Hint bit
6
5
4
3
2
1
0
Alternating hexadecimal hint
displayed (LCD)
Display location
1
2
3
4
5
6
7
Alternating binary hint
displayed (LCD)
When a hint appears in the standard display (total heat, or alternating total heat and cooling energy), with the
exception of the hint ‘reset’ (10), the instrument must be exchanged and sent to the supplier for examination.
10.1
Hint description / error description
Hint / Error
Effect
Possible cause
Forward flow sensor fault
No calculations are carried out.
The register for energy is not being
updated (no new data is being
stored).
Sensor cable severed; sensor cable
shorted.
Return flow sensor fault
No calculations are carried out.
The register for energy is not being
updated (no new data is being
stored).
Sensor cable severed; sensor cable
shorted.
Reference sensor fault
No calculations are carried out.
The register for energy is not being
updated (no new data is being
stored).
A defect on the calculator circuit
board.
Coil fault
(the scanning is not functioning
properly)
No calculations are carried out.
The registers for flow and energy
are not being updated (no new data
is being stored).
Coil shorted; connecting cable
between calculator housing and flow
sensor damaged.
