Troubleshooting - VWR Vapour-Line Eco 50 Manual De Usario

Troubleshooting

A malfunction or an alarm condition can happen during normal working procedures.
In the following table the most common fault conditions are described as well as their possible corrective
actions.
BEFORE OPENING THE DOOR, PLEASE CHECK THE PRESSURE GAUGE THAT THERE IS NO
PRESSURE INSIDE THE VESSEL. IN SUCH A CASE LET THE CHAMBER COOL DOWN IN ORDER TO
RELEASE THE EXCESS PRESSURE. DO NOT FORCE THE LID OPEN!!!
EFFECT
Main switch and display are off
Display is off and the main switch
LED is on
Lid does not Open
Lid does not Open and the product
temperature on the display is below
80 °C
Heating element is not working
The autoclave is not reaching the
programmed temperature
The autoclave only reaches
100/110 °C, but not over this
temperature
The vessel temperature is more
than 135 °C
ALARM LED is lit and the display
shows: ALARM DOOR OPEN
ALARM LED lit and the display
shows: ALARM
OVERTEMPERATURE
Display shows "alarm CRC"
Display shows "alarm CRC", but
there's water inside the chamber
CAUSE
No power to the autoclave
No power to the main board
Product temperature is higher
than 80 °C
Vessel temperature is higher
than 80 °C. Press MENU and
arrow to check it.
- Faulty heating element
- Vessel overheating, the safety
thermostat is cutting off the
heater
Faulty electro valve
Faulty electro valve
Faulty solid state relay
Door sensor is not activated
Vessel overheating
No water inside the chamber
In order to work properly the
water sensor, as it's based on
conductivity, must be in contact
with water with a minimum
amount of salt
17
ACTION
- Check mains voltage
- Check power connections
- Check fuses
Contact technical services, possible
faulty main board or low voltage
power supply
Wait until product temperature is
below 80 °C. DO NOT FORCE THE
LID OPEN
Wait until vessel temperature is below
80 °C. DO NOT FORCE THE LID
OPEN
Switch off the autoclave, wait for ten
minutes and then turn on it back on; if
the problem persists contact technical
services
If the problem persists contact
technical services
Contact technical services
Contact technical services
Fully move the closing handle to its
closed position; if the problem persists
contact technical services
Contact technical services
Add water
Add a small spoon of salt or a glass of
tap water to the autoclave