6
Service Diagnostics with Error Codes
Entry sequence: Press any 3 keys in the sequence 1-2-3-1-2-3-1-2-3 with no
more than 1 second between key presses.
NOTE:
Some models have replaced the “CLEAN” LED with “COMPLETE.”
If no error, “Clean” LED stays on for 5 seconds or display shows “F-” or “E-”.
NOTE:
Once error codes are extracted, refer to the “Service Error Codes” table
to diagnose and correctly resolve the root cause condition.
Service Error Codes
Example: 6-1 means “Inlet Water” function, “Low/No Water” problem.
DISPLAY TEST - ALL LEDS ON
INTERVAL 26
ERROR 1 - MOST RECENT
INTERVAL 25
SHOW
FUNCTION
CODE
PAUSE
SHOW
PROBLEM
CODE
PAUSE Repeat 3
times
unless
advanced
by Start
key.
Count Clean
LED flashes
2 sec.
Count Clean
LED flashes
5 sec.
OR ON DISPLAY MODELS
Read “F#”
on Display
0.5 sec.
Read “E#”
on Display
1 sec.
ERROR 2
INTERVAL 24
SHOW
FUNCTION
CODE
PAUSE
SHOW
PROBLEM
CODE
PAUSE Repeat 3
times
unless
advanced
by Start
key.
Count Clean
LED flashes
2 sec.
Count Clean
LED flashes
5 sec.
OR ON DISPLAY MODELS
Read “F#”
on Display
0.5 sec.
Read “E#”
on Display
1 sec.
ERROR 3
INTERVAL 23
SHOW
FUNCTION
CODE
PAUSE
SHOW
PROBLEM
CODE
PAUSE Repeat 3
times
unless
advanced
by Start
key.
Count Clean
LED flashes
2 sec.
Count Clean
LED flashes
5 sec.
OR ON DISPLAY MODELS
Read “F#”
on Display
0.5 sec.
Read “E#”
on Display
1 sec.
ERROR 4 - OLDEST
INTERVAL 22
SHOW
FUNCTION
CODE
PAUSE
SHOW
PROBLEM
CODE
PAUSE Repeat 3
times
unless
advanced
by Start
key.
Count Clean
LED flashes
2 sec.
Count Clean
LED flashes
5
seconds
OR ON DISPLAY MODELS
Read “F#”
on Display
0.5 sec.
Read “E#”
on Display
1 second
10 seconds pause
Hi Temp LED will be On
INTERVAL 21
Press Hi Temp key to clear errors.
Hi Temp LED will blink twice to indicate errors have been
cleared.
Service Diagnostics Cycle
INTERVAL 20-3
Turns on loads and checks sensors.
SERVICE CYCLE ERROR 1
INTERVAL 2
A tone will play when service
error code 1 is displayed
SHOW
FUNCTION
CODE
PAUSE
SHOW
PROBLEM
CODE
PAUSE Repeat 3
times
unless
advanced
by Start
key.
Count Clean
LED flashes
2 sec.
Count Clean
LED flashes
5 sec.
OR ON DISPLAY MODELS
Read “F#”
on Display
0.5 sec.
Read “E#”
on Display
1 sec.
SERVICE CYCLE ERROR 2
INTERVAL 1
SHOW
FUNCTION
CODE
PAUSE
SHOW
PROBLEM
CODE
PAUSE Repeat 3
times
unless
advanced
by Start
key.
Count Clean
LED flashes
2 sec.
Count Clean
LED flashes
5 sec.
OR ON DISPLAY MODELS
Read “F#”
on Display
0.5 sec.
Read “E#”
on Display
1 sec.
Function
Code
Problem
Code
Causes
What to Check
1-Control 1-
Pilot Stuck
On
Control detected
K2 pilot relay stuck
closed.
1. Unplug dishwasher or disconnect
power.
2. Check all loads on K2 pilot relay
for shorts.
3. Replace control and all shorted
components.
2-
Control
Software
Issue
1. Damaged or
corrupted memory
or control board.
Incompatible
software
components
inside micro.
1. Unplug dishwasher or disconnect
power.
2. Replace control board.
2. All LED’s
are On.
1. Unplug dishwasher or disconnect
power.
2. Replace UI (for numeric display
models only).
2-
User
Interface
1-
Stuck Key
Control detected
stuck key(s) in
keypad or keypad
connection.
NOTE:
If any keys
are stuck, the
stuck key(s) will be
ignored and an
error recorded to
service history but
no alert to
customer.
Check responsiveness of each
key.
1. If some keys do not respond,
then:
- Unplug dishwasher or
disconnect power.
- Disassemble door and
disconnect keypad connection
from control or LCD display
module.
- Verify all other connections to
control are made.
- Reassemble door, but do not
close door.
- Plug in dishwasher or reconnect
power.
- Wait at least 7 seconds for
control to power up completely.
- Close dishwasher door and
monitor control response:
A. If control is OK (no longer
sees stuck keys with keypad
unplugged), it will respond by
turning on the drain motor for
2 minutes. Replace keypad
and console.
