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Error/Trouble Condition Possible Cause Solution
Display shows: "Factory Calibration
has been lost. Return to Factory for
Calibration".
Non-recoverable EEPROM check-
sum error of factory calibration data,
ER01.
Return unit to factory for calibration.
Display shows: "Setup information
has been lost. Loading Default Values
Please Wait...".
Recoverable EEPROM checksum er-
ror of unit setup conguration, ER02.
Unit will auto recover by rebooting
and then displaying message: "Setup
information has been lost, default
conguration loaded. User should
recongure." User should press OK/
Cancel (User Acknowledgement) so
that device enters into default screen.
User cannot enter into menus because
of password protection.
User has lost password. Use default password "351".
SRCM does not come online Two or more controllers have the
same MAC address.
Modify each duplicate address to a
unique number.
The MS/TP network has too many
devices.
Do not exceed the maximum number
of devices and maximum length al-
lowed by the EIA-485 specications.
Too many devices were installed
without any repeaters.
Repeaters need to be installed as
specied in this document.
The MS/TP cable runs are broken. Locate the break and correct the wir-
ing.
MS/TP connections at the module
were reversed.
Respect polarity of the wires on a
MS/TP network.
The SRCM does not have power. Apply power to the SRCM.
Troubleshooting
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