48
VAPOR-LOGIC
®
VERSION 6 INSTALLATION AND OPERATION MANUAL
Table 46-1:
Diagnostics menu (continued)
Message
Description
Does message auto-clear?
Messages
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 .
Yes
Duct HL span
Duct high limit transmitter has entered the throttle span range and is approaching duct high limit set
point .
Yes
Insufficient water
The low water probe is not in contact with water when there is a demand for humidity .
Yes
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 .
Yes
Check cylinder /
high water
(XT systems only)
Clean water, or end of cylinder life .
After 10 hours of normalized 100% run time, target current has not been reached, water is at the
high water probe, and current has not increased from the previous reading .
Humidifier continues to operate .
Yes, if target current is
reached
Clean supply water (cleaner than cylinder water) . Filling has stopped due to reaching the high
water probe, and the current has decreased three times in a row .
Humidifier continues to operate .
Master enable open Indicates demand signal is being ignored due to master enable input being open .
Yes
Excessive TDS
TDS measurement during RO production exceeds the TDS set point .
The system will continue to operate but the membranes may need to be replaced .
(Not available in Europe)
Yes
RO flush active
The unit is performing an RO flush or has done so and remains inactive until receiving another call .
Yes
Insufficient RO
water flow
The RO supply water cannot meet demand .
No
Replace ignitors
soon
Replace ignitors soon . Ignitors have been cycled to 80% of their expected life or there are other
indications the ignitors may be worn out .
No
Low inlet water temp The inlet water temperature is below 56°F (13° C) .
Yes
Stage 1
efficiency below
50%
Stage 1 media is becoming clogged . Clean media or replace .
Yes
Stage 2
efficiency below
50%
Stage 2 media is becoming clogged . Clean media or replace .
Yes
Stage 3
efficiency below
50%
Stage 3 media is becoming clogged . Clean media or replace .
Yes
High flue temp,
output reduced
Flue temperature is close to exceeding rated value . The output will temporarily be reduced by
50% to allow the flue to cool .
Yes
Hot drain water
The drain temperature has exceeded 145°F (63° C) for one minute . The drain tempering device
may not be working properly .
Yes
Notes:
• The Messages Log displays message name, date and time of occurrence, plus “Active,” “Cleared” or “Auto-cleared .”
• Active messages display first in the Messages Log, followed by cleared messages (auto-cleared and/or manually-cleared) listed in order of
occurrence .
• The Messages Log displays a maximum of 10 messages . Cleared messages leave the log first .
• If a message event occurs and is not manually or auto cleared during unit operation, the message will stay there until there is demand and the unit
is running .
Diagnostics screen
OPERATION
