Argo AMG21CDT Technical Data & Service Manual - Page 12
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7. TROUBLESHOOTING
7-1 The unit does not work
Check the voltage. Are
there 198 ÷ 264 volts ?
YES
Check if programmer
contact is closed
(black -
brown cables).
(IF INSTALLED)
YES
Check if there is supplied
voltage between 1-2
the electric control (CE)
YES
Replace the electronic
control (CE)
7-2 Electrical circuit interrupted after "ON" button is pressed
Check the unit hardness
Is it insulated ?
YES
Check if the fan motor is
working (FMI)
YES
Check the electronic
control (CE)
YES
Check the leds printed
circuit.
NO
Check the motor
programmer (P). Is it
short circuited?
(IF INSTALLED)
NO
Check the unit
electrical cable
NO
NO
Check if the pilot
lamp is burnt.
Eventually replace it
YES
NO
NO
NO
NO
YES
12
Check the electrical
supply line
If it is impossible to
close the contact,
replace the
programmer.
Check if tank micro -
switch contacts are
(1 - 2 MT contacts)
NO
NO
Is the flickering alarm
lamp on the control
panel not visible ?
Insulate the short
circuit cable
Replace the fan motor
Replace the electronic
control (CE)
Replace the leds
printed circuit.
Replace the
programmer (P)
closed.
(FMI)