7
Programming and diagnostic screens
To enter Programming and Diagnostics dialog screens
Turn power switch on lower back of unit “OFF”
Turn power switch “ON” and when first screen is displayed touch lower (red) pad to activate
The First Programming screen will display. Displayed are the default settings programmed into the equipment
Touch upper “Touch Function Selector” to scroll through the programming lines.
Touch lower (red) pad to scroll through the screens and active outputs.
Setting
as displayed
will be saved on exit.
EXIT Programming and Diagnostics dialog by selecting EXIT and touching the lower (red) pad
Programming for
hot water tank
temperature setting
(also dispense
temperature)
and display units (°C
or °F)
PROGRAMMED
Tank Temperature
and Dispense
Temperature are
the same
Internal tank functions
Verify probe readings
for tank temperature,
and water level.
Show status of liquid
level probes for tank
water level.
Touch pad verification
( instructions in
following section)
Output TOD functions
And test points.
Will activate
selection for 2-3
seconds.
Service technician
error report for fault
and software
diagnostics and
upgrade
Chart to correct for boiling point for altitude
in tank water temperature.
See INPUT Screen
Altitude (ft.)
Suggested
Setting(°F)
Boiling
point (° F)
-500
207
212.9
0
207
212.0
500
207
211.1
1000
205
210.2
2000
204
208.4
2500
203
207.5
3000
200
206.6
3500
197
205.7
4000
195
204.8
4500
194
203.9
5000
194
203.0
5500
193
202.0
6000
192
201.1
6500
191
200.2
7000
190
199.3
7500
188
198.3
8000
187
197.4
Error Code Screen
Error codes are cleared by
selecting the “OTHER “ screen.
Scroll and press the upper
control to “Reset Error Codes”.
Press the lower selector to clear.
Error codes
050
Shorted temperature probe - tank
051
Open temperature probe - tank
052
Outlet temperature sensor shorted
053
Outlet temperature sensor open
100
Initial fill error (not filled in 6 minutes after power up)
101
Error on refill (The tank has not refilled in 1 minutes-
Possibly faulty solenoid or issue with the water line)
102
Unwanted fill (Possibly tank or internal leak)
103
Overflow error (float switch activated)
104
Lower (longer) liquid level probe fault
105
Upper (shorter) liquid level probe fault
200
Flat line temperature
201
Heater open (heater or triac failure)
Touch pad function test
Tests the Upper and Lower touch pads for proper sensitivity.
Use after servicing to check functionality of the touch pad
When selected - the indicator will display the key being touched.
The example to the right shows the UPPER -White key is active.
Touching the LOWER-Red pad will highlight the red key marker
Circuit logic digits may display variable number. Used for manufacturing
000 000 201
0510 0102 1122
Содержание HWD-2105 TOD
Страница 11: ...11...
