SBM MTH 100 DI Technical Instructions page 21

6. QUESTIONS & ANSWERS
Mo 14 Mar 16 : 28
for menu (M)
Mo 14 Mar 16 : 28
for menu (M)
Tc/Ex = 17 °  REG : auto = 100 %
modify REG (+/-)
XX = 00 °  REG : auto = 100 %
modify REG (+/-)
VENTILATION DEFECT
HEATING STOPPED
BATTERY
QUESTIONS
- - -
. °C
+ + +
. °C
ANSWERS
Temperature less than –5 ºC
or sensor disconnected
or sensor faulty
or sensor cable disconnected
or sensor wire misconnected (reversed)
Temperature greater than 52 ºC
or sensor short circuit
or sensor faulty
or sensor cable short circuit
Alternating display of the current
setpoint and Ex indicates that today's
date has been programmed as an
exceptional date or period.
MENU B is not programmed
(see page 9)
NOTE : in this configuration, only
"PRESET MODE" can be
accessed : see page 18
The safety switch is open : the module
stops the heating, check the continuity
between terminals 1 and 3.
After a few secondes, if screen is still
indicating :
BATTERY
The safeguard battery is empty. Contact
your SBM distributor.
If screen goes back to normal displays (1
and 2), the safeguard battery is safe.
21