5-18 Other Features
PA-1652 Operator's Manual H3-45 Coach
Set Time And Day
Push button once. 12:00 will begin to flash (this
will occur upon initial hook up to power).
Using or , set the present time of day (24
hour clock).
When the time stops flashing the time has been
stored.
The weekday will now begin to flash.
Use or to set the present weekday.
When the weekday stops flashing the weekday
has been stored.
When the vehicle ignition is turned “on” the time
display will appear.
When the vehicle ignition is turned “off” the timer
display will go off after 15 seconds.
Changing Time And Day
Push and hold button until the time display
begins to flash. Continue to set the time as listed in
setting time and weekday.
Using The Timer With The Vehicle Ignition
“Off”
Push button.
will appear on the display as well as the
operation countdown timer.
The running time is factory set to a maximum of
120 minutes. This
running time can be reset once or permanently as
desired.
Adjusting Preheat Time Once
Press button.
The will appear in the display and the
preselected run time will appear in the display
(maximum time of 120 minutes).
Use the or to adjust the desired run time.
Using The Heater Manually With The Vehicle
Accessory “On”
Push button.
The symbol will appear in the display next to
the time of day.
The time of day will remain displayed during
ignition on operation.
The heater will function continually as long as the
vehicle ignition is “ on ” .
When the vehicle ignition is turned “off” the heater
will continue to operate for an additional 15
minutes.
The run time can be altered by pressing the or
buttons.
The heater can be turned off by pressing
button.
To Turn Heater “Off” - All Modes
Press the button once.
The heat signal to the heater will be turned “off”.
The heater will do a normal cooldown and turn
itself “off”.
PREHEATER TROUBLESHOOTING AND
MAINTENANCE
Up to five fault codes are stored in the heater
control box. They can be displayed on the timer.
Query Fault Memory F1 – F5
Condition: The heater is switched off.
• Press button –> the heater is switched on.
• Press button and keep it depressed, then
press button within 2 seconds.
The display is as follows:
AF = current fault
3 digit number = fault code
flashes.
• Press button once or several times, fault
memory positions F1 – F5 are displayed.
For additional details, refer to the Maintenance
Manual Section 22, under heading "Auxiliary
Preheating System (Option)", also refer to
supplier publications Eberspacher Hydronic LII
Troubleshooting and Repair manual and
Eberspacher Hydronic L-II Installation Operating
Maintenance manual found on the Technical
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