STIHLER ELECTRONIC AFP300, Instructions For Use Manual

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12 Maintenance ASTOFLO PLUS ECO Instructions for Use
51
7. Compare the displayed temperatures of both temperature
sensors with the room temperature.
8.
Press the “Standby” button
( Standby Mode ).
Result
This test is successful when all 3 temperatures are in the range of
1.2°C (
chapter
12.3 Test protocol).
This test is not possible if:

No heating profile is plugged in.

A temperature sensor of the plugged in heating profile is
defective.
In this case:

The “Alarm” LED turns on.

There is a brief acoustic alarm signal every 16 seconds.

The display indicates
- - - (no heating profile is plugged in)
or
C (temperature sensor is defective).
Test 9 Heating-up test (Check of the essential performance)
Required
actions 1. Connect the heating profile to the control unit.
2.
Press the “Standby” button
to switch the warmer on
.
3.
Press the „Set” button
to select 43°C as set temperature.
4.
Press the “Start” button
to start heating.
5. Start measuring the warm-up time at 30.0°C
(± 0.1°C)
and
measure the time until the display shows 40.0°C
(± 0.1°C)
.
6. Observe the temperature fluctuation of the display when the
set temperature of 43°C is reached.
Result
The test is successful, when

The time for heating up (30-40°C) is not longer than 150
seconds.

The displayed temperature does not differ more than ± 0.2°C
from 43°C.

No alarm is indicated.

Carry out testing at room temperature (20
– 26°C).

Uneven temperature distribution because of opened windows
or doors, incoming sunrays or other heat sources like heater
fans disable this measurement.