APP-control v10.x
15 Trouble shooting
Fault descriptionfault fault Cause of fault
LED flashing rapidly
red
GSM module not
logged in
• PIN query not deactivated
• SIM not correctly inserted
• no reception
LED lighting up shortly
red, every 60s
Under-voltage on
module
Check supply voltage and the
fuse (5A)
No switching
operation at all
Not / incorrectly
configured
• Phone number existing twice
on SIM card
• APP-control not configured yet
delete all phone numbers / SMS
on SIM cardand re-configure
No INFO-SMS query
possible
Kno credit on SIM
card of APP-
control
Load credit
Heater is not running
during preset timet
Under-voltage on
heater or
maximum heating
time achieved
Check vehicle battery
APP-control cannot be
configured
wrong password
(PWD)
after reset the PWD will be set
to "12345"
28 - 32
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