Gram Gastro 07/08, Service Manual

Page: 15 / 38

15
User menu
This chapter includes setting of alarm values.
The alarm system is divided into 2 systems. The one system only triggers local alarms, which
means that the error codes are only shown at the display.
The other alarm system triggers both alarms at the display, but it also activates the remote alarm
outlet. Each alarm system operates independently of each other.
If a change of the setting is required, get access to the menu by pushing for more than 3
seconds. The values are changed by pushing the or keys. The new setting is saved by
pushing . To exit the menu, push .
Menu access P + 1
  
Local alarm setting LAL LhL °C Setting the upper alarm limit. At alarm,
the display shows:
A2
Lhd min. Time delay for the upper alarm limit.
BU On/off Activation of buzzer. The buzzer
sounds at alarms A1, A2. (1=on / 0=off)
External alarm setting EAL EHL °C Setting the upper alarm limit. At alarm,
the display shows:
A3
ELL °C Setting the lower alarm limit. At alarm,
the display shows:
A4
EHd min. Time delay for the upper alarm limit.
ELd min. Time delay for lower alarm.
Temperature offset
(sensor calibration) CAL CA K -5…+5 K
Escorting alarm limits ALL FAS/ESC Activation of escorting alarm limits.
FAS = fixed limits / ESC = limits
following the setpoint
No. of defrosts dEF 4 Number of defrosts in 24 hours.
Keylock
The keypad can be locked by simultaneously pushing
for more than 5 seconds.
lights to indicate that the keys are locked, and a short beep sounds. Now it is not possible to
use the keys for temperature setting etc.
The same code is to be used for unlocking the keypad again.
P + 1
+
-
P
+ 1