HT# 059299-00 A
• - If the Outdoor sensor reading was higher that the Outdoor Cutoff temperature, the
control might not bring any stage on See "Outdoor Cutoff Temperature" on page 32
• - Even though the system relay may be energized, the control will not energize any stages unless
the Prove is shorted See "Display Messages" on page 29
• - The Multi-MOD Platinum modulates the stages to off when the Shutdown terminals are
shorted See "Display Messages" on page 24 Also, see "Shutdown Wiring" on page 18
• - When the Sensor Fault is set to Shutdown, a System sensor fault will de-activate all
stages outputs See "Sensor Fault" on page 29
Check if the control has any of the following:
- If excessive heat occurs only under certain weather conditions, adjust the
Reset Ratio See "Reset Ratio" on page 33 If excessive heat occurs year round, reduce the Offset See
"Target Offset" on page 33
- The Multi-MOD Platinum only modulate boilers their Mode is set to Auto or
Standby Check if any boiler stage is set to Manual or On See "Mode" on page 39
- The Last-Stage-Hold allows only the lead boiler to stay on longer If the setting is too
high, the system can over heat Reduce the Last-Stage-Hold setting See "Last-Stage-Hold" on page 37
- On a DHW call, the system target will change to the DHW Set Point If the DHW Call lasted
for along time, the building may overheat if DHW No Priority or DHW Using System were selected See
"Prove/DHW Mode" on page 28 and "DHW Set Point" on page 29
Check if the control has any of the following:
- If reduced heat occurs only under certain weather conditions, adjust the Reset
Ratio See "Reset Ratio" on page 33 If reduced heat occurs year round, increase the Offset See "Target
Offset" on page 33
- If reduced heat occurs only during specic hours, check the Setback value and the source of
the setback signal Either reduce the Setback setting or change the Schedule See "Setback" on page 35
Also, see "Schedules" on page 42
• - First check the ICMS Live Session "Last Values Update" Date
and Time It must be current If not, the control internet connection is not functioning If using a router,
check for Internet service using a computer If using a cable modem, power down both the control and
the modem Then power the control back on and wait for one minutes before power the modem back on
Wait for the message "ACK RECIEVED" to display
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