Elma T310 - Page 20

Trouble shooting / List of malfunctions
18
SM/Transsonic_LC/1104/D © Elma GmbH & Co KG
Malfunction 1. Check:
Pilot
lamp
ultra-
sound
2. Check:
Heating
switch
- if
lighted
3. Check:
Fuse
inter-
ference
filter
4. Check:
Fuse
printed
board
Possible
causes
Remedy
No ultrasound
No heating
OFF OFF faulty OK
• short circuit
in heating:
(disconnect
heating,
check again)
• short circuit
in interf.
filter
• replace
heating
No heating;
No
ultrasound;
Fuse
automatic in
building
released
OFF OFF OK /
faulty
OK
• short circuit
in heating
• short circuit
in interf.
filter (e.g.
liquid)
• disconnect
heating, if
faulty
replace
No heating
Ultrasound
OK
OK OFF OK OK
• faulty
heating
switch
(perm.
interrupted)
• replace
component
No heating
Ultrasound
OK
OK OK OK OK
• faulty
thermostat
(no „click“;
perm.
interrupted)
• replace
component