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Installation, Operation & Application Manual
View if locked or unlocked
—
= Unlocked
—
= Locked
VIEW
Figure 34
View fi lter status
—
Accumulated fan run time displays.
VIEW
Figure 35
Display setpoints, fan, and program information
—
Press
or
to select.
= Don't display setpoints and program schedule information.
= Always display setpoints and program schedule information.
—
Press
to exit.
VIEW
Figure 36
Bosch Thermotechnology Corp. | 08.2016
6.7 Viewing fault codes
When one of the faults listed below causes a hard lockout on the UPM the unit
compressors are disabled and the "Call Service Tech" light is illuminated.
To view UPM's fault code, go to
item.
If no fault history is recorded, screen will show "VIEW Er no".
Figure 37
If fault history is recorded, screen will show "VIEW E{x} {month} {date} {time}"
indicating the fault code, date and time of the fault.
Figure 38
You can press
latest 20 faults.
SLEEP
Table 3
Bosch 3H/2C Touch-TechnologyThermostat | 17
VIEW
VIEW
or
button to browse fault history. The thermostat records the
Code
Fault
1
HPC
High Pressure Switch lockout
2
LPC
Low Pressure Switch lockout
3
FRE1
Freeze sensor 1 lockout
4
CON
Condensate lockout
6
FRE2
Freeze sensor 2 lockout
The fault codes listed in Table 3 are not representative of all units /
models. Please refer to the unit instruction and maintenance manual for
additional information.
. Press
multiple times to the last menu
Month
Day
Fault Condition
Data subject to change
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