Rheavendors Group XS Instant Installation And Maintenance Manual page 58

The display shows
"OFF 24VB": the
machine is out of
order
The display shows
"OFF 24A" the
machine is out of
order
The display shows
"OFF 31A" the
machine is out of
order
The display shows
"OFF 31B" the
machine is out of
order
The display shows
"OFF 31C" the
machine is out of
order
Il display shows
"PLEASE LOAD
THE MASTER
PROGRAM"
The display shows
"OFF 34" the snack
machine is out of
order
The display shows
"OFF 36" the snack
machine is out of
order
Dialling the code of a
snack the display
shows "SELECTION
NOT AVAILABLE"
18.2 Miscellaneous shortcomings
The shortcomings described in this section are not indicated by any message displayed on the machine.
SYMPTOM
The machine does not switch
on (no component
powered)
MAN1100105 V. 9 – 09/11/2011
5 A fuse on the electronic
board burnt
Problem at the transformer
The power supply of the 24 V
elements is excessive
An error occurred in the
temperature control of the
boiler (high temperature)
An error occurred in the
temperature control of the
boiler (low temperature)
Temperature probe cut off
It has not been loaded any
master program in the CPU
board
(Only for machines
connected with Snack unit)
Error at the temperature of the
Snack
(Only for machines
connected with Snack unit)
Error at the keyboard of the
Snack
(Only for machines
connected with Snack unit)
Error at the motors of the
Snack
PROBABLE CAUSE
No mains voltage
is
The boiler is overheated
One general fuse (230V)
is burnt out
Change the fuse
Replace the transformer
Check the Zener diode TL 431 on the
CPU/POWER board and eventually replace
it.
Check and replace, if necessary, the
thermal switch of temperature control in the
boiler and the resistance
Check and replace, if necessary, the
thermal switch of temperature control in the
boiler and the resistance
Change the temperature probe
Ask to Rhea technical service the correct
master file and load the file master with
flash card into the machine
Check and eventually
temperature probe of the Snack unit
Check and eventually replace the keyboard
of the Snack unit
Check and eventually
jammed.
Check and eventually replace the product
motor.
SOLUTION
Wait for the resetting of mains voltage
Reset the safety thermal switch boiler.
Check the correct operation and cable of the
thermal probe or the resistance in the boiler
and replace them if necessary
Replace it
58
replace the
remove snack