| TROUBLESHOOTING | |
Control System Unresponsive (cont) |
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| DISPLAYED MESSAGE | CHECK/REPAIR |
| CONDITION/INDICATES | |
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| UIM is Inoperable | • Ensure Ribbon Cable from the Button overlay is |
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| inserted correctly in UIM J3 Socket (page 47). |
| UIM does not respond to any user input using the | • Call the technical support phone number on the |
| operational and/or Up and Down buttons. | back cover of this manual for further assistance |
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| if the problem has not been corrected after per- |
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| forming the procedure outlined here. |
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| Heating Cycle Disabled | • Check for and correct any active Fault condition |
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| - see Current Fault Menu page 62. |
| Control System not activating call | • Check enable/disable circuits - ensure both cir- |
| for heat with cold tank of water. | cuits are closed; follow procedure outlined on |
| Thermometer Icon on Desktop | page 45. |
| Screen appears with diagonal line | • Call the technical support phone number on the |
| as shown here. | |
| back cover of this manual for further assistance | |
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| Possible Causes: | if the problem has not been corrected after per- |
| forming the procedure outlined here. | |
| Fault condition active | |
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| Enable/disable circuit(s) open |
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Servicing should only be performed by a Qualified Service Agent
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