TSC 900 TRANSFER SWITCH CONTROLLER
PM 151 REV 5 16/04/19 Thomson Power Systems
Engine starts and stops every 3-4
minutes
TSC 900 has been selected for OFF mode
and all control power has been removed to
the TSC 900 controller
Maintain control power to TSC 900 at all times or
change local engine control panel from Auto to OFF
mode to prevent starting in Auto mode
GHC Display is not showing any
system information
GHC screen maybe in a “sleep” mode.
Touch screen to re-activate LCD display
GHC USB cable is unplugged at the GHC
end or the SCU end
Verify USB cable is fully inserted into the GHC and
SCU devices
• Temporarily unplug GHC USB cable for 5
seconds then re-insert to reboot GHC
comptroller. Wait 30 seconds to determine if GHC
reboots to normal operation.
• Verify TSC 900 GHC has SD Memory Card fully
inserted into socket.
If defective Return to Thomson Power Systems using
RMA process
TSC 900 SCU Control board is not powered
from 120VAC Utility supply, 120VAC
Generator supply, or 24VDC aux supply (if
fitted)
The GHC needs maintained 5VDC power from the
TSC 900 SCU Control board at all times. Verify SCU is
powered from either 120VAC Utility supply, 120VAC
Generator supply, or 24VDC aux supply (if fitted).
SCU USB Jumper (J24 on SCU PCB) is in
the incorrect position
Verify SCU USB Jumper (J24 on SCU PCB) is in the
“GHC” position.
NOTE
There are no user serviceable components located on the TSC
900 SCU printed circuit board. If the TSC 900 controller (i.e. SCU
or GHC) are deemed to be defective, they must be returned to
the Thomson Power Systems Factory for repair or replacement.
Please refer to Product Return Policy section of this manual
further information on product return procedures required.
10. REPLACEMENT PARTS
Service Replacement parts are available for the TSC 900 controller as follows:
TSC 900 SCU Controller Board P/N TSC900SCUSR
TSC 900 GHC Display P/N TSC900GHCSR
When ordering replacement parts, please provide the following information:
1. Transfer Switch Model code (e.g. TS 873AA0200AS)
2. Transfer Switch Serial Number (e.g. W-022345)
The above information can be found on the transfer switch rating plate located on the outside of the
ATS door.
For other parts not listed, please contact Thomson Power Systems.
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