%3*45&&. 7BQPSMPHJD *OTUBMMBUJPO BOE 0QFSBUJPO .BOVBM t 1BHF
Operation
Table 43-1:
Diagnostics menu (continued)
Message
Description
Does message auto-clear?
Messages
Replace contactors
Contactors have reached normal life span. Replace contactors.
No
Service unit
Regularly scheduled unit servicing is due.
No
Drain pending
Auto drain/flush will occur at next scheduled time.
:FT
No airflow
No duct airflow
:FT
I-lock open
Interlock safety switch is open.
:FT
Freeze drain
Tank has drained to prevent freezing.
:FT
EOS active
The humidifier is draining or has drained and remains inactive until receiving another call for humidity.
:FT
Temp comp on
Humidifier output has been reduced because temperature compensation sensor reads a temperature on
the inside-pane of an outside-wall window that could cause condensation.
:FT
Clean probes
Water level control probes need cleaning. Check tank for cleaning.
No
Duct HL trip
Duct relative humidity has risen above the high limit set point, or high limit switch has opened.
:FT
Duct HL span
Duct high limit humidistat has entered the throttle span range and is approaching duct high limit set point.
:FT
No fieldbus sig
There is no signal at the BACnet or Modbus field connection on the Vapor-logic4 board.
:FT
Insufficient water
The low water probe is not in contact with water when there is a demand for humidity.
:FT
Boiling temp
calibrated
Indicates actual humidifier boiling temperature at time of reading. This reading is taken after power-up by
the tank sensor at the time of first steam creation.
:FT
Notes:
t 5IF.FTTBHFT-PHEJTQMBZTNFTTBHFOBNFEBUFBOEUJNFPGPDDVSSFODFQMVTi"DUJWFwi$MFBSFEwPSi"VUPDMFBSFEw
t "DUJWFNFTTBHFTEJTQMBZGJSTUJOUIF.FTTBHFT-PHGPMMPXFECZDMFBSFENFTTBHFT BVUPDMFBSFEBOEPSNBOVBMMZDMFBSFEMJTUFEJOPSEFSPGPDDVSSFODF
t 5IF.FTTBHFT-PHEJTQMBZTBNBYJNVNPGNFTTBHFT$MFBSFENFTTBHFTMFBWFUIFMPHGJSTU
t *GBNFTTBHFFWFOUPDDVSTBOEJTOPUNBOVBMMZPSBVUPDMFBSFEEVSJOHVOJUPQFSBUJPOUIFNFTTBHFXJMMTUBZUIFSFVOUJMUIFSFJTEFNBOEBOEUIFVOJUJTSVOOJOH
T h e D i a g n o s t i c s s c r e e n
