Number
|
Name |
Data
Field |
Condition |
Recovery |
| m9 |
Simulated
m Fault
|
n/a |
User enters simulation mode
|
Reset
simulated fault |
m10
|
Over
Range
|
Peak
concentration |
Large
concentration of gas has been detected. The Midas requires an independent
confirmation that the gas hazard is gone.
|
Supply
known clean air to the Midas and clear the fault. |
m11
|
User
Calibration Expired
|
Days
until fault |
The
user specified calibration interval has elapsed.
|
Perform
zero and span calibrations.
Increase span calibration period.
(zero days = disabled) |
m12
|
Cartridge
Expires Soon
|
Days
until fault |
Cartridge
is old and will expire soon.
|
Replace
the cartridge with a new cartridge. |
m13
|
Flow
Low
|
Flow
(cc/min) |
Midas
is no longer able to regulate the flow.
|
Check
filters and pump. |
m14
|
Interferent
Present
|
A/D
counts |
An
interferent is degrading the ability of the Midas to detect gas. |
Check
application. |
m15
|
Temperature
Near Limit
|
Temperature
(C) |
Temperature
is within 2 C of limit.
|
Check
installation environment. |
m16
|
Baseline
Near Limit
|
A/D
counts |
Sensor
baseline has drifted.
|
Check
for background gas concentration, temperature or humidity fluctuations.
Perform zero calibration.
Replace cartridge. |
m17
|
Inhibit
Timeout
|
n/a |
Transmitter
has been in inhibit mode too long.
|
Resume
monitoring or increase timeout value. |
| m18 |
Software
Mismatch |
Software
Version |
Coprocessor
firmware or bootloader too old |
Update
firmware |
| F39 |
Simulated
F Fault
|
n/a |
User
enters simulation mode
|
Reset
simulated fault |
F40
|
Sensor
Overdosed
|
n/a |
Sensor
has been exposed to high gas concentrations for long periods.
|
Replace
cartridge. |
F41
|
Baseline
Fault
|
A/D
counts |
Sensor
baseline has drifted.
|
Check
for background gas concentration, temperature or humidity fluctuations.
Perform zero calibration.
Replace cartridge. |
F42
|
Calibration
Expired
|
Code |
Too
long since last calibration.
|
Replace
or calibrate the cartridge. |
F43
|
Cartridge
Expired
|
Daughter
code |
Cartridge
is too old.
|
Replace
cartridge. |
F44
|
Cell
Failure
|
Daughter
code |
Cartridge
has failed Reflex™ check.
|
Replace
cartridge. |
F45
|
Stabilization
Timeout
|
A/D
counts |
Cartridge
has failed to stabilize.
|
If
temperature or humidity shocks exist, precondition the cartridge.
Check for background gas concentration.
Replace cartridge. |
F46
|
Cartridge
Analog Failure
|
Code |
Over
range or analog failure |
Ensure
no dangerous gasses are present; replace cartridge. |
F47
|
Cartridge
Memory Invalid
|
Code |
Checksum
error.
|
Replace
cartridge. |
F48
|
Cartridge
Absent
|
n/a |
No
communications.
|
Reseat
cartridge.
Replace cartridge.
|
F49
|
Cartridge
Type Changed
|
Type |
Cartridge
part number changed from previous.
|
Verify
cartridge is correct part number.
Replace if wrong part number.
Clear fault. |
F80
|
Temperature
Limits Exceeded
|
Temperature
(C) |
Temperature
is outside limits.
|
Check
installation environment. |
F81
|
Flow
Fail
|
Flow
(cc/min) |
Flow
< 70% of nominal for 15 seconds
|
Check
filters.
Check for kinked tubing.
Replace pump. |
F82
|
Excessive
Electrical Noise
|
n/a |
Internal
electronics repeatedly noisy.
|
Check
grounding of Midas chassis.
Check termination of cable shields.
Relocate the Midas further from noise sources.
Add ferrite inductors to cables.
|
F83
|
Pyro
Comm Fail
|
n/a |
Pyrolyzer
communication failure
|
Check
electrical connection to pyrolyzer.
Reboot
Replace pyrolyzer. |
| F84 |
Misc.
Transmitter Fault |
Daughter
code |
Transmitter
is defective. |
Service
or replace Midas. |
| F85 |
FW
Download Fail |
n/a |
Coprocessor
FW Download Fail |
Retry
downloading coprocessor FW. |
| F86 |
Coprocessor
Fail |
n/a |
Coprocessor
is damaged |
Contact
Service.
Replace the coprocessor. |
| F87 |
Pyrolyzer
Temperature Limits Exceeded |
Temperature
(C) |
Pyrolyzer
temperature exceeded |
Clean
pyrolyzer cooling vents.
Contact Service. |
| F88 |
Pyrolyzer
Heater Fail |
Resister
(ohm) |
Pyrolyzer
heater fail. |
Contact
Service.
Replace pyrolyzer. |
| F89 |
Pyrolyzer
Power Unreg |
Power
(W) |
Target
power not achieved within specified time span |
If
24 VDC power check,
21.6 < Vin < 26.4
Contact Service.
Replace pyrolyzer. |
| F90 |
Pyrolyzer
Heater Mismatch |
Daughter
code |
Incompatible
with ver 6 firmware Pyrolyzer |
Contact Honeywell
Analytics Service for further advice |
| F91 |
HTP
Module Required |
Pyrolyzer
Type |
HT Pyrolyzer
is required for MIDAS-S-CFX or MIDAS-E-CFX cartridges. |
Change
to HTP |