Diagnostics and Troubleshooting - User Interface

Table 27 - Controller Module Diagnostics

OI Screen

OI Screen

Number of

Possible Cause

Control File Action

User Action

Item

Item Value

LED

 

 

 

 

 

Strobes

 

 

 

 

DATA

3

CPU failed when

See PREFETCH

See PREFETCH

 

ABORT

 

attempting to access

ABORT.

ABORT.

 

 

 

data.

 

 

 

SOFTWARE

3

Software Interrupt

See PREFETCH

See PREFETCH

 

INTERRUPT

 

occurred which is not

ABORT.

ABORT.

 

ERROR

 

supported by the

 

 

 

 

 

software.

 

 

 

VECTOR

3

Corrupted interrupt

Interrupt vectors were

See WATCHDOG

 

ERROR

 

vectors in RAM

restored

 

MEMORY

GOOD

N/A

N/A

N/A

N/A

 

 

 

 

 

 

 

5 DAY LOW

4

Estimated battery life

1. Associated rack

Replace battery.

 

BATTERY

 

is less than 5 days.

monitor block’s RACK

 

 

WARNING

 

 

OK pin is turned off.

 

 

 

 

 

2. ASYS block’s HW OK

 

 

 

 

 

pin is turned off.

 

 

LOW

4

Battery voltage is low.

1. Associated rack

Replace battery.

 

BATTERY

 

 

monitor block’s RACK

 

 

 

 

 

OK pin is turned off.

 

 

 

 

 

2. ASYS block’s LOW

 

 

 

 

 

BATTERY pin is turned

 

 

 

 

 

on.

 

 

 

 

 

3. ASYS block’s HW OK

 

 

 

 

 

pin is turned off.

 

 

FLASH

4

Flash failed to burn

1. Associated rack

Force a cold start

 

ERROR

 

 

monitor block’s RACK

(Another Flash burn is

 

 

 

 

OK pin is turned off.

attempted; if FLASH

 

 

 

 

2. ASYS block’s HW OK

ERROR again, replace

 

 

 

 

CPU board.

 

 

 

 

pin is turned off.

 

 

 

 

 

 

 

 

 

 

 

RTC

GOOD

N/A

N/A

N/A

N/A

 

 

 

 

 

 

 

NOT

5

RTC not programmed

1. Time and date is set to

Program RTC.

 

PROGRAMMED

 

 

00:00:00, January 1,

 

 

 

 

 

1970.

 

 

 

 

 

2. Associated rack

 

 

 

 

 

monitor block’s RACK

 

 

 

 

 

OK pin is turned off.

 

 

 

 

 

3. ASYS block’s HW OK

 

 

 

 

 

pin is turned off.

 

 

BAD DATA

5

Bad date and time

See NOT

1. Program RTC.

 

 

 

 

PROGRAMMED.

2. Cycle power.

 

 

 

 

 

 

 

 

 

 

3. Replace CPU.

 

 

 

 

 

4. Replace boards in

 

 

 

 

 

rack.

 

 

 

 

 

5. Replace rack.

 

 

 

 

 

 

 

PROGRAMMING

5

RTC failed to program

See NOT

See Bad Data.

 

FAILURE

 

 

PROGRAMMED.

 

 

READ

5

Unable to read RTC

See NOT

See Bad Data.

 

FAILURE

 

 

PROGRAMMED.

 

Revision 5

HC900 Hybrid Controller Installation and User Guide

123

9/03

 

 

Page 133
Image 133
Honeywell HC900 manual Programmed

HC900 specifications

The Honeywell HC900 is a robust control solution designed to meet the demands of process industries. This flexible and powerful platform provides a comprehensive set of features tailored for process control and monitoring applications. The HC900 is particularly suited for batch control, continuous processes, and discrete applications, making it a versatile choice for a variety of industries, including oil and gas, chemicals, and electricity generation.

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In summary, the Honeywell HC900 stands out as a powerful and flexible control solution, equipped with modular design, advanced control technologies, and user-friendly interfaces that cater to the diverse needs of process industries. With its comprehensive data management capabilities and robust communications options, the HC900 is an excellent choice for organizations striving for efficiency and reliability.