Problem solving

Generally

The vending machine doesn't give change

Problem	Root cause	Rectification
The vending machine does not give change.	The Vencube door switch reports an open door, the assembly of the door switch is incorrect.	Check the position of the door switch and set it correctly, then close the machine door. Always connect the door switch to the Vencube as a closer at Contact 1.

Sielaff

With Sielaff vending machines, "Please wait" appears in the vending machine display and no sale is possible

Problem	Root cause	Rectification
With Sielaff vending machines, "Please wait" appears in the vending machine display and no sale is possible.	The Sielaff VMC sends data to the Vencube (e.g. errors, configuration, etc.) The point in time and the amount of data or the importance is determined solely by the machine. This data cannot be rejected by the Vencube, nor can the time of processing be changed.	Here you can only wait until all messages have been sent, this can take a few minutes.

No coins accepted and no change given out at Sielaff machines

Problem	Root cause	Rectification
Sielaff machines cannot accept coins or give out change and "Please wait" appears in the machine display.	The Sielaff Automat sends data to the VenCube (e.g. errors, configuration, etc.) After switching on the controller with the VenCube connected for the first time, there is an increased exchange of data between the controller and the VenCube. As a result, the control cannot be operated for up to ten minutes, or only very slowly, and coin acceptance and payout can be disrupted at the same time. The amount of data or the importance is determined solely by the machine. This data cannot be rejected by the VenCube, nor can the time of processing be changed. As a result, the control cannot be operated for up to ten minutes, or only very slowly, and coin acceptance and payout can be disrupted at the same time.	Here you can only wait until all messages have been sent. After the waiting time, the machine will work again without any problems.

Sluggish menu navigation at Sielaff hot drinks vending machines

Problem	Root cause	Rectification
Sluggish menu navigation at Sielaff hot drinks machines.	After opening the door of the Sielaff machine, there is an increased exchange of data between the machine control and the Vencube. As a result, the menu navigation of the machine behaves sluggishly. It can happen that, for example, the cleaning program cannot be called up as usual.	This state lasts for about a minute, after which the machine can be operated as usual.

When free vend is activated, it is not possible to flush the Sielaff HG machine

Problem	Root cause	Rectification
When the free sale is activated, it is not possible to flush the Sielaff machine.	The Vencube sends a "perpetual" credit.	Press the C button on the Vencube once and the "perpetual" credit will be interrupted. Now the machine can be rinsed. After cleaning the machine, press the C button on the Vencube again. The "perpetual" credit for the Free Vend will be reactivated. This function must be activated later with MA5*DFC*1 in newer firmware versions!

It is not possible to flush the Sielaff HG machine with a Girocard/credit card terminal

Problem	Root cause	Rectification
It is not possible to flush the Sielaff machine with a Girocard/credit card terminal.	The Vencube sends a "perpetual" credit.	Press the C button on the Vencube once and the "perpetual" credit will be interrupted. Now the machine can be rinsed. After cleaning the machine, press the C button on the Vencube again. The "perpetual" credit will be activated again. This function must be activated later with MA5*DFC*1 in newer firmware versions!

In Sielaff HG machines, the display is very sluggish when inserting coins

Problem	Root cause	Rectification
The credit display is very sluggish when inserting coins.	Card system 2 or the MDB polling time	Under: Menu ⇒ Installation ⇒ Deactivate card system 2 Under: Menu ⇒ Installation ⇒ Special setting C, set the MDB polling rate to 100ms or 50ms! Adjust the MDB polling rate only in selected individual cases! The table shows the bit mask for the desired settings, please set appropriately. 01 For cold water products, the cup price becomes 0.00 02 IR readout/configuration only active when entered in the menu level (no menu selected) 04 Output all error messages in clear text 08 pressure cell old (0.5 .. 4.5V 16 Water shortage detection deactivated via the measuring turbine (espresso machines) 32 BARISTA: When the milk cleaning time (Def. = 36h) is reached, the milk products are not taken out of service. 64 Reduce MDB polling rate to 100ms 128 Shorten MDB polling rate to 50ms, gains over 64

Vendo

The machine gives too much change

Problem	Root cause	Rectification
The machine is returning too much change.	The card prices are not set for the VENDO machine and the machine always sells all products at a price of €1.00	In the machine, set the ticket prices to the same as the cash prices.

Coinco

No coin acceptance of 1 EUR and 2 EUR at the coin changer Coinco Global

Problem	Root cause	Rectification
No coin acceptance of 1 EUR and 2 EUR at the coin changer Coinco Global.	Old coin software DM/EUR Version 3.00de. The existing old DM coins affect the lock screens of the Vencube.	Update the Coinco coin changer or adjust the lock mask in VenToolThin or VenToolWin. After importing, switch off the machine and restart it.