14 Appendix A - Specifications
Accessories
Order no.
Description
A554 3315
T-BOX for S415/418 Modbus/M-Bus systems, including 2 m
cable with M8 connector
A554 0109
Mains power supply 100-240 VAC / 24 VDC, 0.5 A, 2 m cable
with M8 connector
A553 0137
Connection cable S415/418 to S551, 5 m
M599 7020
S4A data analysis software, supports USB
Gas table
Gas type
Gas type
A
Air
G
Natural gas (mix ratio)
B
CO
2
H
H
2
C
O
2
(oil & grease free)
I
Other gas (specify)
D
N
2
J
He (real gas calibration)
E
N
2
O
K
C
3
H
8
F
Ar
Z
No second gas
14.3 Error codes
When an error code shows on the LED display, use the following table to
identify the error cause.
Code
Description
Code
Description
Er. 01
Real time clock failure
Er. 10
Pressure sensor
failure
Er. 02
ADC failure
Er. 20
Flow sensor failure
Er. 04
EEPROM failure
Er. 40
Bluetooth failure
Er. 08
NAND flash failure
Er. 50
Logger failure
25
