Robur GAHP-W, Installation, Use And Maintenance Manual, Page: 59 / 68

End user
Ed. 2014-08
57
8. Replace the label with the new one indicating the new gas type that has to be used.
9. Check for leaks in all gas pipe connections.
10. Replace the front and left panel.
Figure 30 - Gas change
4.9 OPERATING CODES - TROUBLESHOOTING (firmware release
3.027)
The letter “U” before the operating code (three digits) means Warning.
The letter “E” before the operating code (three digits) means Error.
Warning operating codes automatically reset when the reason of the fault disappears.
If the fault persists, warning codes become errors.
Error codes generally need an automatic reset to be perfomed through the S61 board or
through the DDC (if present). See chapter 4.4 on page 51.
If the problem persists contact an authorized Robur Service Company.
E 200 – Error 200
Problems in the reset circuit of the ignition control box.
Switch off the power of the unit. If the problem persists contact an authorized Robur
Service Company.
W/E 201 – Warning or Error 201
High generator temperature.
Contact an authorized Robur Service Company.
W/E 202 – Warning or Error 202
High flue gas temperature.
If the problem persists contact an authorized Robur Service Company.
LEGEND
A GAS VALVE E GASKET
B GAS VALVE FLANGE F GAS PIPE
C GAS NOZZLE G SCREW (n. 4)
D O-RING H HEXAGONAL NUT
A
B
C
D
E
F
G
C
H
B
gas valve
air/gas
mixer
F