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Error
ACU
code
Severity
PCB
(ID)
08840-0 ADM WARNING Master PLL lock
08841-0 ADM ERROR
08842-0 ADM WARNING GSC demodulator
08843-0 ADM WARNING DVBS demodulator The DVBS demodulator cannot be initialised and
08844-0 ADM WARNING BUC voltage
08845-0 ADM WARNING LNB voltage
08880-0 ADM ERROR
08A00-0 ADM WARNING GX Core Module
08A01-0 ADM WARNING GX Core Module
08A02-0 ADM WARNING GX Core Module
08A03-0 ADM ERROR
08A04-0 ADM WARNING iDirect modem
08A05-0 ADM WARNING GX Core Module
Description
Tuner lock
WLAN
configuration error
fan
heater
temperature
GX Core Module
heating
Table B-2: ACU event messages (Continued)
Explanation
The master PLL has lost lock. Check the input
reference signal.
The internal tuner PLL was unable to lock.
The GSC demodulator has reported an error.
loaded correctly.
The BUC voltage is out of range.
The LNB voltage is out of range. The LNB
might be switched off to protect the power
supply circuitry. Reactivate satellite profile to try
again, check LNB cable and surroundings if the
problem persists.
Configuration of WLAN module failed.
There is a problem with the Core Module fan.
Check/clean and replace if necessary.
There is a problem with the Core Module heater.
Check and replace if necessary.
The Core Module temperature is out of range.
This may affect performance, and the Core
Module will be shut down if the situation gets
worse. If the "GX core module heating" event is
also present, the internal heater is currently
warming up the unit to its operational
temperature.
The Power Good signal from the Core Module is
low. Check cables.
The ACU detected a warning/error in the iDirect
modem. Log into the modem for more
information.
Info: 0x00000001: Temperature error
0x00000002: Test error 0x00000004: Fan error
The GX core module heater is active. It will
automatically be cleared when the core module
reaches the operational temperature level.
List of ACU events
B-11
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