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TABLE 1
Table indicating the set frequencies
Number of red lights on
Output frequency scale [Hz]
1
18 - 22
2
22 - 26
3
26 - 30
4
30 - 34
5
34 - 38
6
38 - 42
7
42 - 46
8
46 - 50
TABLE 2
Inverter fault code table
Green = GR
Red
= RD
DISLAY
FAULT CODE
DESCRIPTION
POSSIBLE CAUSES
No.4 green LEDs on,
red LED No.1 on
The internal temperature of the
microcontroller has reached
unacceptable values
The burner is installed in an environment with
temperature conditions outside the envisaged
limits for proper operation (At > 40°C).
No.4 green LEDs on,
red LED No.2 on
The temperature measured by the
heat sink on the NTC sensor has
reached unacceptable values. The
fault status does not remain when
the motorinverter resets and restarts
automatically
- Unacceptable ambient temperature (At >
70°C).
- Insufficient thermal exchange by the heat sink
(Check that the space between the heat sink
fins is not clogged by dust or dirt)
No.4 green LEDs on,
red LED No.3 on
The burner power supply voltage has
reached unacceptable values.
Power surges in the electrical supply line.
Check that the line is within the values (V=230
-10% +15%)
No.4 green LEDs on,
red LED No.4 on
The internal power v 15 V DC
of the motorinverter has fallen below
unacceptable values
Inverter board fault. Contact assistance centre
No.4 green LEDs on,
red LED No.5 on
The electric current in the motor has
exceeded the safety threshold.
The electric motor has absorbed an higher
amount of current than the amount on its rating
plate, due to an overload for example.
No.4 green LEDs on,
red LED No.6 on
The electric current in the motor
has exceeded the safety threshold.
Hardware fault
The electric motor has absorbed an higher
amount of current than the amount on its
rating plate, due to the seizure of a bearing
for example.
Inverter board fault, contact Assistance centre
Summary of Contents for TBG 45 PN-V
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