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IP2030/RM, Rev AA
Section 4: Getting started
June 2014
Section 4: Getting started
94
Table 4-8. Reporting of alarms and faults on the control unit
Category Source Cause As seen on screen Status LED
Full PV
Display
Relay
Output
Current
Output
Alarm
Report
(D830)
Fault
Report
(D831)
ALARM MCU900 Current Output reached linear limit mA o/p Sat Yes Yes Yes
Logging memory almost full Lg Mem Filling Yes Yes Yes
Logging memory is full Log Mem Full Yes Yes
Digital Input 1 active Digital In 1 Yes Yes Yes
Digital Input 2 active Digital In 2 Yes Yes Yes
Alarm suppressed by digital input Alarm Suppressed Yes
Custom relay operation retries exceeded Max Retries Yes Yes Yes
Current input below lower linear limit mA In Low Yes Yes Yes
Current input above higher linear limit mA In High Yes Yes Yes
Raising level despite relays on Rising Level Yes Yes Yes
Relay number of operations exceeded Relay Operations Yes Yes Yes
Relay run-time exceeded Relay Runtime Yes Yes Yes
Pump efficiency below limit
(1)
(1) The pump efficiency feature is on Mobrey MCU901 and MCU902 control units.
Pump Efficiency Yes Yes Yes
No activity of Control Relay No activity Yes Yes Yes
XMTR Transmitter PV out-of-limits PV OL Yes Yes
FAULT MCU900 Rom checksum error ROM Error Constant Yes Yes Yes Yes
RAM test error RAM Error Constant Yes Yes Yes Yes
Real Time Clock Fault Clock fault Constant Yes Yes Yes Yes
EEPROM Signature Error EEPROM Sig err Constant Yes Yes Yes Yes
EEPROM checksum error EEPROM CKS err Constant Yes Yes Yes Yes
ADC error ADC_error Constant Yes Yes Yes Yes
Control Unit temperature out-of-limits CU Temp OL Constant Yes Yes Yes
Xmtr Field Device Malfunction Xmtr Fault Constant Yes Yes Yes Yes