DOC. NO. 5956.573.05 P. 8 1 / 8 8
Electrolux
EFS - Dishwashing Systems Platform
Electrolux Professional
* If the value of the parameter "Heat tim. enable" (HtE) is "Yes" (1), the machine stops when this alarm
appears. If the parameter value is "No" (0), the machine does not shut down when this alarm appears.
** The machine does not shut down if these alarms appear. Every 8 seconds A message indicating the
alarm number is shown on the display. The "alarm" A red LED blinks LED flashes, but the machine continues
to carry out the normal operations.
*** This alarm causes machine stop in versions without prewash and with just one wash pump. In WTM140
versions the machine stops when this alarm appears. In all the other models the machine continues to work.
**** With Dt/ Hab standard models the machine shuts down when this alarm appears, but does not in the
new Dt/ Hab versions.
74 ****
The drying tunnel temperature
sensor is open.
- The DT temperature sensor is open or disconnected.
- The DT temperature sensor connector is not correctly inserted.
- The connector on the DT board is not correctly inserted.
75
**
The drying tunnel fan thermal
protector has tripped.
- The DT fan thermal protector is not correctly set.
- The DT fan doesn’t work properly.
76 The gear motor supplied current is
higher than the maximum value
allowed for the “Max motor curr.”.
- The wire connected from the inverter ( Do terminal block) to the elctronic board (X7-5) is short-
circuited with the ground.
- The inverter parameters are not correctly set.
77 The gear motor supplied current is
lower than the minimum value
allowed for the gear motor current.
- The wire connected from the inverter ( Do terminal block) to the electronic board (X7-5) is open.
- The inverter parameters are not correctly set.
- The gear motor is configured with star connection and it must be configured with delta
connections.
82
**
The required temperature was not
reached in the first boiler within the
max. heating time.
- The rinse water flow is too high.
- A heating element or a heating element branch doesn’t work properly.
- The CU is not clean.
- The first boiler temperature sensor doesn’t work properly.
- The first boiler heating element starter controller doesn’t work properly or its coil is not correctly
connected to the rinse board.
83 The water temperature in the first
boiler is too high.
- The “Boil. temp. start” parameter () or the “Boiler temper.” parameter () has been
changed.
- The relay that activates the first boiler heating elements starter controller is stuck.
84 The first boiler temperature sensor is
short-circuited.
- The first boiler temperature sensor is short-circuited.
85 The first boiler temperature sensor is
open.
- The first boiler temperature sensor is open or disconnected.
- The first boiler temperature sensor connector is not correctly inserted.
- The connector on the rinse board is not correctly inserted.
89 The temperature on the user
interface is too high.
- Presence of steam too hot on the user interface board.
- The user interface doesn’t work properly.
90
( modular
machines)
( compact
machines)
Communication problems between
machine electronic boards.
- The bus connection cables are not correctly connected to all the boards.
- One or more boards don’t work properly.
- The “Appl. type” parameter (APt) is not correctly set.
- The connector X6 is not correctly connected.
When alarm 90 appears, the display will show the name (modular rack type) or the number
(compact rack type), of the electronic board that generated the communication error.
2: wash + rinse (compact)
3: prewash
4: dt
If, after a communication error, the machine is able to re-enable the communication between the
boards, the following message appears on the display:
91 User interface board (modular rack
type) out of order.
- The user interface board doesn’t work properly (modular rack type).
Modular Compact
PRESS
No
CoM
Err
I
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