059327–00 REV. C
HEAT-TIMER CORP.
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23
05 STARTUP
DISPLAY ICONS AND MESSAGES
The following icons and messages may be displayed by the ETS-LT.
ALARM MESSAGES
The ETS-LT logs all alarm messages, with the date and time of their occurrence (See “Alarm Log” on page 37). The
following alarm messages may be displayed by the ETS-LT.
# MESSAGE DESCRIPTION
1 The battery icon blinks when the battery is weak.
2 HTLV Limit = 160°F
Valve Close! See Log
The alarm is set to be triggered when the system temperature exceeds the displayed
setting for the specified Delay Alarm period. See “HTLV Setpoint” on page 33.
The system temperature exceeded the alarm limit. HTLV lockout has occurred
(the control closed the HTLV). View the alarm logs (See “Alarm Log” on
page 32). When in the ETV + HTLV mode, this message will alternate with the
“HTLV Limit = 160°F” message.
4 No Flow! The Flow Switch option is enabled and no flow is detected. See “Wiring the Flow Prove”
on page 42.
6 Target Temperature
EMS Open/Short
The control target temperature setting.
When EMS is used and the signal fails, “EMS Open/Short” is shown.
7 Value or Switch Icon When Aux 1 is configured as Temperature input, the value is shown.
When Aux 1 is configured as Switch, the switch status icon is shown.
8 Value or Switch Icon When Aux 2 is configured as Temperature input, the value is shown.
When Aux 2 is configured as Switch, the switch status icon is shown.
9 Communication Lost! Internet Communication (ICMS) option only.
The control is set to communicate over a network and communication is not detected.
This message will alternate with the date and time message.
MESSAGE ALARM TRIGGERED DESCRIPTION
Communication Loss No Internet Communication (ICMS) option only. The control is set
to communicate over a network, but there is no communication
between the control and the network.
EMS Input Failure Yes The control is set to use a 4–20mA remote setpoint. However, the
signal is out of the 4–20mA range.
SYS Sensor Failure Yes The system sensor is reading either Short or Open. This triggers the
alarm output in HTLV or ETV + HTLV mode.
SYS Temp Over Limit Yes The system sensor reading is above the alarm limit setting.
See “HTLV Setpoint” on page 32.
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