Fetco HWD-2105 User Manual page 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
000 000 201
0510 0102 1122
Internal tank functions Output TOD functions
Verify probe readings And test points.
for tank temperature,
and water level.
Will activate
Show status of liquid
selection for 2-3
level probes for tank seconds.
water level.
Touch pad verification
( instructions in
following section)
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.
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
Service technician
error report for fault
and software
diagnostics and
upgrade
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)
7
Chart to correct for boiling point for altitude
in tank water temperature.
See INPUT Screen
Suggested
Altitude (ft.)
Setting(°F)
-500 207
0 207
500 207
1000 205
2000 204
2500 203
3000 200
3500 197
4000 195
4500 194
5000 194
5500 193
6000 192
6500 191
7000 190
7500 188
8000 187
Boiling
point (° F)
212.9
212.0
211.1
210.2
208.4
207.5
206.6
205.7
204.8
203.9
203.0
202.0
201.1
200.2
199.3
198.3
197.4