Lochinvar CHA 100 CE, Installation, Commissioning, User & Maintenance Instructions

Page: 56 / 74

56
Ins
truction manual
CHA
No hot water
Feature Cause Measure Comment
Green LED OFF
and
Red LED OFF
No supply voltage
present
1. Check whether the isolator is ON.
2. Check whether there is power to the isolator
3. Check whether there is power to the electrical connector block
4. Check whether there is power to the burner control
5. Check fuse in the burner control
The measured voltage must be 230 V
AC
(-15%, +10%)
See the electrical diagram (14 "Electrical diagram") .
If the error cannot be rectified, contact your installation engineer
Green LED ON
and
Red LED OFF
Blockage in the flue gas
discharge (the flue gas
thermostat has cut out)
1. Trace the blockage
2. Remove the blockage
3. Reset flue gas thermostat
(7.7 "Flue gas thermostat reset
button") .
When a demand is detected, the appliance will restart