Benchmark ZWB 7-29 CC1 Installation And Servicing page 67

A8
flashing.
No correct electrical connection
Check
1. TR 2 connected?
2. Mode selector switch is between two
settings
B Power OFF the appliance.
3.
Wiring between TR 2 and TR 212 E
OK?
• Terminal 3 on TR 2 connected to
Terminal 3 on TR 212 E?
• Terminal 4... Terminal 4....
4. TR 2 defective
7 181 465 346 GB (03.02)
Action
A8? ↓2.
yes:
B Power OFF the appliance.
no:
B Connect TR 2.
B Turn ON the appliance.
A8? ↓2.
B Turn switch until it clicks into position.
A8? ↓3.
B Turn ON the appliance.
yes:
↓4.
B Rewire correctly as specified in the installation
no:
instructions.
B Turn ON the appliance.
After 90 sec.:
A8? ↓4.
B Power OFF the appliance.
B Change TR 2.
B Turn ON the appliance.
Failure identification procedure
19