OHAUS Guardian 5000, Quick Start Manual, Page: 10 / 101

Quick Start Guide Guardian Hotplate-Stirrers
Ohaus Corporation www.ohaus.com EN- vii Guardian Hotplate-Stirrers
TROUBLESHOOTING
The following table lists common problems and possible causes and remedies. If
the problem persists, contact OHAUS or your authorized dealer.
Error* Cause of Error How to Fix
Unit fails to
power on
Missing or blown fuse Add or replace fuse as necessary.
E1 Plate RTD open
Not fixable by user, please contact
Ohaus.
E2 Plate RTD short
Not fixable by user, please contact
Ohaus.
E3
No stirring motion /
cannot reach speed Not fixable by user, please contact
Ohaus.
E4
Probe RTD open
(Removing the probe
while the unit is
heating)
Switch unit to standby, then return
to normal operating mode.
E5
Probe RTD short
(Malfunctioning probe)
Switch unit to standby, remove the
probe from the unit, then return to
normal operating mode.
E6 A/D lock error
Not fixable by user, please contact
Ohaus.
E7
User Probe Error
(Plugging the probe into
the unit while it is
heating)
Switch unit to standby, then return
to normal operating mode.
E8 Plate over temperature
Not fixable by user, please contact
Ohaus.
E9
Plate under
temperature Not fixable by user, please contact
Ohaus.
E10 Triac fault
Not fixable by user, please contact
Ohaus.
*Note : Error code instances will stop equipment operation by default.
INSTRUCTION MANUAL
For the full instruction manual, please scan the QR code or click the links below:
You can also visit
http://www.ohaus.com/support to download user manual.
Guardian 5000
Instruction Manual
Guardian 7000
Instruction Manual