System Health 1:2 (critical) Thermal Det :1

SOURCE: Christie DS+60 projector turns off spontaneously

Here is a list of error codes for your unit:
12 Software bug. Contact dealer/factory.
13 Flash memory corrupted. Download new software.
14 Engineering only programming is complete. Call Christie, replace TIPM.
15 Attempting to download code without being in boot mode
16 Invalid interrupt. Power off/on. If it persists, contact dealer/factory.
17 Forced boot mode. Keys held down too long.
18 Attempting to program boot mode without jumper
LAMP FAILURES
21 Lamp compartment too hot
25 Lamp 1 not installed
26 Lamp 1 Interlock: door open, lamp not installed
27 Unable to turn lamp 1 ON
28 Lamp 1 shut off unexpectedly
29 Lamp 1 driver overheated
2A Lamp 1 driver operation error (e.g. too hot can’t start)
2C Lamp 1 driver UART communications failure
30 Lamp 2 not installed
31 Lamp 2 door open
32 Unable to turn lamp 2 ON (unknown reason)
33 Lamp 2 shut off unexpectedly
34 Lamp 2 driver overheated
35 Lamp 2 driver reports operation error (e.g. too hot can’t start)
36 Lamp 2 driver UART communications failure
37 Lamp Watchdog Tripped – Unless lamps turn on again after 3 minutes, assume software hung.

SOURCE: what is system health error message, 1:15

Are you sure of your error code? I've checked everywhere in the RS232 error codes of Christie and I didn't see THAT code. I'll post you the link to the manuals.

Christie RS232 Whitepaper

Hope it helps you!