Honeywell TH8110U1003 Owner's Manual - Page 28

In case of difficulty - installation manual

Get Honeywell TH8110U1003 - VisionPro Thermostat PDF manuals and user guides
UPC - 085267256872
View all Honeywell TH8110U1003 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 28 highlights

Operating Manual In case of difficulty If you have difficulty with your thermostat, please try the following suggestions. Most problems can be corrected quickly and easily. Display is blank • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system is on. • Make sure furnace door is closed securely. • If thermostat is battery powered, make sure fresh AAA alkaline batteries are correctly installed (see page 20). No response to key presses (or temperature will not change) • Check to make sure the thermostat is not locked (see page 25). Make sure heating and cooling temperatures are set to acceptable ranges: • Heat: 40° to 90°F (4.5° to 32°C) • Cool: 50° to 99°F (10° to 37°C) ENGLISH Backlight is dim • If thermostat is battery powered, make sure fresh AAA alkaline batteries are correctly installed (see page 20). • If thermostat is AC powered, a dim display is normal. The backlight remains on at a low level, and brightens when a key is pressed. 69-1894EFS-01 26

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
Operating Manual
26
69-1894EFS-01
ENGLISH
If you have difficulty with your thermostat, please try the following suggestions.
Most problems can be corrected quickly and easily.
Display is blank
•
Check circuit breaker and reset if necessary.
•
Make sure power switch at heating & cooling system is on.
•
Make sure furnace door is closed securely.
•
If thermostat is battery powered, make sure fresh AAA alkaline
batteries are correctly installed (see page 20).
No response to
key presses (or
temperature will
not change)
•
Check to make sure the thermostat is not locked (see page 25).
Make sure heating and cooling temperatures are set to acceptable ranges:
•
Heat: 40° to 90°F (4.5° to 32°C)
•
Cool: 50° to 99°F (10° to 37°C)
Backlight is dim
•
If thermostat is battery powered, make sure fresh AAA alkaline
batteries are correctly installed (see page 20).
•
If thermostat is AC powered, a dim display is normal. The backlight
remains on at a low level, and brightens when a key is pressed.
In case of difficulty