Thermo S 160/230/300/350/400
5 Troubleshooting and error correction
515
5.5.10 Flame detector inspection
In case of contamination the glass body of the flame
detector and the inspection glass in the disc (see Fig. 513)
must be cleaned.
The flame detector is permanently integrated into the
control unit and cannot be replaced.
Functionality is verified using SST diagnosis.
In case of damage or if the target value cannot be
reached, the control unit must be replaced as needed.
Inspection
t
Remove burner (see 8.2).
t
Connect the test plug to the adapter wiring harness.
t
Connect the heater to the vehicle electrical system.
t
Connect the SST diagnosis adapter to the heater and
a PC via the interface in the heater wiring harness.
Start SST diagnosis and establish the connection to
the heater.
t
Cover the glass body of the flame detector.
t
Check the flame detector voltage displayed on a PC
by SST diagnosis
(target value: U = 4.60V...4.74V).
t
Remove the cover from the glass body of the flame
detector and illuminate from close distance using a
bright lamp.
t
Check the flame detector voltage displayed on a PC
by SST diagnosis
(target value: U = 0.60V...1.50V).
t
After the test is completed, exit SST diagnosis as
needed.
t
Disconnect the heater from the vehicle electrical
system.
t
Disconnect the test plug as needed.
t
Install burner (see 8.2).
Fig. 513
Flame detector
Window
Electronic ignition unit
Disc
NOTE
Summary of Contents for Thermo S 160
Page 2: ......
Page 6: ...1 Introduction Thermo S 160 230 300 350 400 4...
Page 11: ...S o m r e h T n o i t c u d o r t n I 1 160 230 300 350 400 105...
Page 49: ...5 Troubleshooting and error correction Thermo S 160 230 300 350 400 520...
Page 55: ...r e h T s m a r g a i d c i t a m e h c S 6 mo S 160 230 300 350 400 606...
Page 71: ...9 Modifications and retrofits Thermo S 160 230 300 350 400 902...
Page 73: ...10 Packing storage shipping Thermo S 160 230 300 350 400 1002 Empty page for notes...
