User's Guide ______________________________________________________________________
268 _________________________________________________________________ M210667EN-C
R24:Receiver Main
Receiver LTD112;
EEPROM error
R25:Receiver
Measurement CPU
LTC112; window
temperature sensor
error
R26:Receiver
Measurement CPU
LTC112; enclosure
temperature sensor
error
Replace Receiver Measurement CPU (see
section Replacing Measurement
CPU/Window Receiver on page 211).
R27:Receiver
Measurement CPU
LTC112; window
receiver temperature
sensor error
R28:Receiver
Window Transmitter
LTL212; temperature
sensor error
R29:Receiver Main
Receiver LTD112;
temperature sensor
error
Check for proper cabling between Receiver
Measurement CPU and appropriate
module.
Replace appropriate module (see sections
starting from Repair Instructions on page
201).
R30:Receiver Optics
Unit LTO212;
alignment
mechanism
horizontal error
R31:Receiver Optics
Unit LTO212;
alignment
mechanism vertical
error
The Receiver Measurement CPU
has detected out of range values
for the appropriate axis.
Check for proper cabling at the receiver
optics unit.
Check for firm fit of eccentric elements to
gear motor axis and variable resistor axis.
R32:Receiver
Measurement Unit
LTC112;
synchronization
signal error
The Receiver Measurement CPU
is unable to detect a valid
synchronization signal frequency
Check for proper cabling of
synchronization signal between
Transmitter Unit (LTT111) and Receiver
Unit (LTR111).
R33:Receiver
Measurement Unit
LTM212; heater
error
The heater in the Receiver
Measurement CPU is unable to
create the desired temperature
difference between window and
enclosure temperature sensor.
Check for proper cabling between Receiver
Measurement CPU and heating elements