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Maytag Commercial MHN33PD Instrucciones De Instalación página 19

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Washer Diagnostic Modes
To enter the "Washer Diagnostic Mode," first enter "Start
Operating Setup." Then press and hold the keypad for 1 second
while in set-up code 6, anytime a diagnostic code is present,
or while dAS displays if operating with Maytag Data Acquisition
setup.
On entry to diagnostic mode the entire display will flash,
a cycle in process is canceled, money in escrow is cleared,
and diagnostic codes are cleared. If a diagnostic code persists,
it must be corrected before the following cycle options are
permitted.
There are five possible ways to initiate cycle activity from
diagnostic mode as follows:
1. Washer Cleanout cycle – With the entire display flashing,
this cycle is started by pressing the keypad.
Use the Washer Cleanout cycle once a month to keep
the inside of your washer fresh and clean. This cycle uses
a higher water level. Use with liquid chlorine bleach to
thoroughly clean the inside of the washer. This cycle
should not be interrupted.
IMPORTANT: Do not place garments or other items in the
washer during the Washer Cleanout cycle. Use this cycle with
an empty wash drum.
2. Cycle Credit – With the entire display flashing, a cycle may
be credited by pressing the keypad (CC will display). When
the service mode is exited, "SELECT CYCLE" will be
displayed unless the end-of-cycle door opening is required.
3. Manual Overview Test – With the entire display flashing, this
cycle is started by pressing the keypad. This cycle provides
more typical full length fills, tumbles, drains, and dispenser
actuator movement, allowing for a more thorough analysis of
the washer operation, including pressure switch behavior.
4. Quick Spin Cycle – With the entire display flashing, this
cycle is started by pressing the keypad. This cycle provides
a method to quickly drain and spin (remove water from the
washer) if desired.
5. Quick Overview Test – With the entire display flashing,
this cycle is started by pressing the keypad. This cycle
provides a quick verification that the cold and hot water
valves, dispensers, and pump motor are working, as well as
dispenser actuator movement. It also includes door lock,
drain, and spin operations.
Pressing the keypad will exit diagnostic mode
and cancel a diagnostic cycle in process.
DIAGNOSTIC CODES
If one of the following has occurred, the appropriate diagnostic
code will be in the display.
d5
Blocked coin 1 or coin drop control circuit failure (coin
recognition and price display disabled while blockage
persists).
PN/PR Models Only: Setup mode J. should be set
to _d to eliminate coin related diagnostic codes.
d9
Low voltage detected for 8 seconds.
d13
Blocked coin 2 or coin drop control circuit failure (coin
recognition and price display disabled while blockage
persists).
F20
Slow Fill. The washer will not detect water input for
4 minutes Pressure switch failure or no water inlet. This
code is reported as d8 on d7.
F22
The door is not able to lock. Door lock error or someone
trying to start the washer, by pressing the door switch
with the finger. This code is reported as d17 on Accu Trac.
(For any other codes, check supplied Technical Sheet.)
SERVICE ACCESS CODE
This code can be entered to access service mode without
removing the console. It only functions on washers set up for 0
vend price without any Special Pricing setup, and the Coin/Debit
Option must be set to "J._d". If the washer is not in failure mode,
the door must be opened to proceed.
To enter the Service Access Code, press these keypads
in the following order: 1 – upper left, 2 – lower right, 3 – upper
right, 4 – lower left.
NOTE: If the Service Access Code procedure is not completed
properly, as noted above, there is a 15-second delay before it can
be attempted again.
There are 3 options to exit from the Service Mode:
1. Power down the washer; then reapply power.
2. Wait 2 minutes without touching any keypads (without
diagnostic modes running).
3. From Set-Up Code 8, press keypad #1 for 4 seconds.
WASHER HELP MODE
This mode is entered by pressing the keypad while
in special pricing option mode 2.XX (or while dAS displays
if operating with Maytag Data Acquisition setup).
In help mode, other display symbols and elements are mapped
to reflect the state of various inputs and outputs as follows:
Display Symbol
Wash
*
° (Circle above digit)
DOOR LOCKED
COLD
HOT
OR
AVAILABLE
NOTE: A Technical Sheet is taped to inside of lower front panel,
which includes fault codes and a washer schematic diagram.
Description
Water sensed at wash level.
Low voltage present (below about
90 VAC).
Door closed.
Door sensed locked.
Cold water relay on.
Hot water relay on.
Door unlocked.
Drain pump on.
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