Display And Functions After A Power Failure; Failure Messages - Thermo Scientific Safe 2020 Operating Instructions Manual

Operating Instructions Safety Cabinet Safe 2020 / Maxisafe 2020
6. Handling and control
The battery operation safety feature (optional) allows the complete lowering of
the front window after a power failure by pressing the pilot switch.
6.1.6

Display and functions after a power failure

After the power supply has been reestablished after a power failure, the display
shows the values and functions that were last shown prior to the failure.
The functions that had been selected last will be continued where they had been
interrupted.
6.1.7

Failure messages

Failure messages are shown on the display as text/number combinations with
the codes ER 1 to ER 5. If one of these codes appears on the display, contact
Technical Service immediately.
Error code
ER 1
ER 2
ER 4
ER 5
34
Fault cause
Pressure sensor 1 / supply
Pressure sensor 2 / exhaust
BUS error
RAM error