Version 1.0
30
Antenna heating system SOA-1022
Problem / defect
Potential reasons
To do
Wrong temperature settings
Check preset temperature values/settings
AHU is constantly
operating (heating air)
Dome is damaged
Replace the dome
Wrong temperature settings
Check preset temperature values/settings
Problems in repeater operation
Repeater is not operating
The repeater is switched off
Press a button to switch on (off) the
repeater on the front panel
Power connector is not connected
Connect the power connector
Fuse malfunction
Replace the fuse
Screen brightness is set to min.
level
Increase brightness using brightness key
Repeater displays all
connected AHUs with
“Тревога” status
No connection with power control
board
Check connection with power control
board
No connection with AHU using
KP by CAN bus
Check connection with KP
Touch screen does not
respond to taps
Touch screen failure
Contact the Manufacturer
Problems in KP operation
Repeater displays
connected AHUs with
“Предупреждение” or
“Тревога” status
KP power cable is not connected
to CSAHS
Connect KP power cable to CSAHS
AHU power cables are not
connected to KP
Connect AHU power cables to KP
No connection between KP and
repeater by CAN bus
Check the cable connecting KP and
repeater
No connection between AHU and
KP by CAN bus
Check the cable connecting AHU and
KP
5.4
Repair using SPTA
During operation, repair the SC by replacing the failed ones from SPTA kit.
To replace the SC from SPTA kit, provide the steps below:
disconnect the Product from mains power;
transport faulty SC from temporary storage place to repair facilities;
remove / dismantle defected SC;
install the SC from SPTA according to 4.5;
deliver dismantled SC to temporary storage place.
